* + mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch added to mm-new branch
@ 2026-01-05 21:41 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2026-01-05 21:41 UTC (permalink / raw)
To: mm-commits, zhengqi.arch, yuanchu, weixugc, shakeel.butt, rostedt,
roman.gushchin, muchun.song, mhocko, mhiramat, mathieu.desnoyers,
lorenzo.stoakes, hannes, david, david, axelrasmussen, tballasi,
akpm
The patch titled
Subject: mm: vmscan: add cgroup IDs to vmscan tracepoints
has been added to the -mm mm-new branch. Its filename is
mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch
This patch will later appear in the mm-new branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews. Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.
The mm-new branch of mm.git is not included in linux-next
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days
------------------------------------------------------
From: Thomas Ballasi <tballasi@linux.microsoft.com>
Subject: mm: vmscan: add cgroup IDs to vmscan tracepoints
Date: Mon, 5 Jan 2026 08:04:22 -0800
Memory reclaim events are currently difficult to attribute to specific
cgroups, making debugging memory pressure issues challenging. This patch
adds memory cgroup ID (memcg_id) to key vmscan tracepoints to enable
better correlation and analysis.
For operations not associated with a specific cgroup, the field is
defaulted to 0.
Link: https://lkml.kernel.org/r/20260105160423.23708-1-tballasi@linux.microsoft.com
Link: https://lkml.kernel.org/r/20260105160423.23708-2-tballasi@linux.microsoft.com
Signed-off-by: Thomas Ballasi <tballasi@linux.microsoft.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Wei Xu <weixugc@google.com>
Cc: Yuanchu Xie <yuanchu@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/trace/events/vmscan.h | 79 ++++++++++++++++++--------------
mm/shrinker.c | 2
mm/vmscan.c | 17 +++---
3 files changed, 56 insertions(+), 42 deletions(-)
--- a/include/trace/events/vmscan.h~mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints
+++ a/include/trace/events/vmscan.h
@@ -114,85 +114,92 @@ TRACE_EVENT(mm_vmscan_wakeup_kswapd,
DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, unsigned short memcg_id),
- TP_ARGS(order, gfp_flags),
+ TP_ARGS(gfp_flags, order, memcg_id),
TP_STRUCT__entry(
- __field( int, order )
__field( unsigned long, gfp_flags )
+ __field( int, order )
+ __field( unsigned short, memcg_id )
),
TP_fast_assign(
- __entry->order = order;
__entry->gfp_flags = (__force unsigned long)gfp_flags;
+ __entry->order = order;
+ __entry->memcg_id = memcg_id;
),
- TP_printk("order=%d gfp_flags=%s",
+ TP_printk("order=%d gfp_flags=%s memcg_id=%u",
__entry->order,
- show_gfp_flags(__entry->gfp_flags))
+ show_gfp_flags(__entry->gfp_flags),
+ __entry->memcg_id)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, unsigned short memcg_id),
- TP_ARGS(order, gfp_flags)
+ TP_ARGS(gfp_flags, order, memcg_id)
);
#ifdef CONFIG_MEMCG
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, unsigned short memcg_id),
- TP_ARGS(order, gfp_flags)
+ TP_ARGS(gfp_flags, order, memcg_id)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, unsigned short memcg_id),
- TP_ARGS(order, gfp_flags)
+ TP_ARGS(gfp_flags, order, memcg_id)
);
#endif /* CONFIG_MEMCG */
DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, unsigned short memcg_id),
- TP_ARGS(nr_reclaimed),
+ TP_ARGS(nr_reclaimed, memcg_id),
TP_STRUCT__entry(
__field( unsigned long, nr_reclaimed )
+ __field( unsigned short, memcg_id )
),
TP_fast_assign(
__entry->nr_reclaimed = nr_reclaimed;
+ __entry->memcg_id = memcg_id;
),
- TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
+ TP_printk("nr_reclaimed=%lu memcg_id=%u",
+ __entry->nr_reclaimed,
+ __entry->memcg_id)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, unsigned short memcg_id),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg_id)
);
#ifdef CONFIG_MEMCG
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, unsigned short memcg_id),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg_id)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, unsigned short memcg_id),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg_id)
);
#endif /* CONFIG_MEMCG */
@@ -208,31 +215,34 @@ TRACE_EVENT(mm_shrink_slab_start,
TP_STRUCT__entry(
__field(struct shrinker *, shr)
__field(void *, shrink)
- __field(int, nid)
__field(long, nr_objects_to_shrink)
__field(unsigned long, gfp_flags)
__field(unsigned long, cache_items)
__field(unsigned long long, delta)
__field(unsigned long, total_scan)
__field(int, priority)
+ __field(int, nid)
+ __field(unsigned short, memcg_id)
),
TP_fast_assign(
__entry->shr = shr;
__entry->shrink = shr->scan_objects;
- __entry->nid = sc->nid;
__entry->nr_objects_to_shrink = nr_objects_to_shrink;
__entry->gfp_flags = (__force unsigned long)sc->gfp_mask;
__entry->cache_items = cache_items;
__entry->delta = delta;
__entry->total_scan = total_scan;
__entry->priority = priority;
+ __entry->nid = sc->nid;
+ __entry->memcg_id = sc->memcg ? cgroup_id(sc->memcg->css.cgroup) : 0;
),
- TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
+ TP_printk("%pS %p: nid: %d memcg_id: %u objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
__entry->shrink,
__entry->shr,
__entry->nid,
+ __entry->memcg_id,
__entry->nr_objects_to_shrink,
show_gfp_flags(__entry->gfp_flags),
__entry->cache_items,
@@ -242,36 +252,39 @@ TRACE_EVENT(mm_shrink_slab_start,
);
TRACE_EVENT(mm_shrink_slab_end,
- TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
+ TP_PROTO(struct shrinker *shr, struct shrink_control *sc, int shrinker_retval,
long unused_scan_cnt, long new_scan_cnt, long total_scan),
- TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
+ TP_ARGS(shr, sc, shrinker_retval, unused_scan_cnt, new_scan_cnt,
total_scan),
TP_STRUCT__entry(
__field(struct shrinker *, shr)
- __field(int, nid)
__field(void *, shrink)
__field(long, unused_scan)
__field(long, new_scan)
- __field(int, retval)
__field(long, total_scan)
+ __field(int, nid)
+ __field(int, retval)
+ __field(unsigned short, memcg_id)
),
TP_fast_assign(
__entry->shr = shr;
- __entry->nid = nid;
__entry->shrink = shr->scan_objects;
__entry->unused_scan = unused_scan_cnt;
__entry->new_scan = new_scan_cnt;
- __entry->retval = shrinker_retval;
__entry->total_scan = total_scan;
+ __entry->nid = sc->nid;
+ __entry->retval = shrinker_retval;
+ __entry->memcg_id = cgroup_id(sc->memcg->css.cgroup);
),
- TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
+ TP_printk("%pS %p: nid: %d memcg_id: %u unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
__entry->shrink,
__entry->shr,
__entry->nid,
+ __entry->memcg_id,
__entry->unused_scan,
__entry->new_scan,
__entry->total_scan,
@@ -504,9 +517,9 @@ TRACE_EVENT(mm_vmscan_node_reclaim_begin
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, unsigned short memcg_id),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg_id)
);
TRACE_EVENT(mm_vmscan_throttled,
--- a/mm/shrinker.c~mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints
+++ a/mm/shrinker.c
@@ -461,7 +461,7 @@ static unsigned long do_shrink_slab(stru
*/
new_nr = add_nr_deferred(next_deferred, shrinker, shrinkctl);
- trace_mm_shrink_slab_end(shrinker, shrinkctl->nid, freed, nr, new_nr, total_scan);
+ trace_mm_shrink_slab_end(shrinker, shrinkctl, freed, nr, new_nr, total_scan);
return freed;
}
--- a/mm/vmscan.c~mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints
+++ a/mm/vmscan.c
@@ -6619,11 +6619,11 @@ unsigned long try_to_free_pages(struct z
return 1;
set_task_reclaim_state(current, &sc.reclaim_state);
- trace_mm_vmscan_direct_reclaim_begin(order, sc.gfp_mask);
+ trace_mm_vmscan_direct_reclaim_begin(sc.gfp_mask, order, 0);
nr_reclaimed = do_try_to_free_pages(zonelist, &sc);
- trace_mm_vmscan_direct_reclaim_end(nr_reclaimed);
+ trace_mm_vmscan_direct_reclaim_end(nr_reclaimed, 0);
set_task_reclaim_state(current, NULL);
return nr_reclaimed;
@@ -6652,8 +6652,9 @@ unsigned long mem_cgroup_shrink_node(str
sc.gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) |
(GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK);
- trace_mm_vmscan_memcg_softlimit_reclaim_begin(sc.order,
- sc.gfp_mask);
+ trace_mm_vmscan_memcg_softlimit_reclaim_begin(sc.gfp_mask,
+ sc.order,
+ cgroup_id(memcg->css.cgroup));
/*
* NOTE: Although we can get the priority field, using it
@@ -6664,7 +6665,7 @@ unsigned long mem_cgroup_shrink_node(str
*/
shrink_lruvec(lruvec, &sc);
- trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed);
+ trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed, cgroup_id(memcg->css.cgroup));
*nr_scanned = sc.nr_scanned;
@@ -6700,13 +6701,13 @@ unsigned long try_to_free_mem_cgroup_pag
struct zonelist *zonelist = node_zonelist(numa_node_id(), sc.gfp_mask);
set_task_reclaim_state(current, &sc.reclaim_state);
- trace_mm_vmscan_memcg_reclaim_begin(0, sc.gfp_mask);
+ trace_mm_vmscan_memcg_reclaim_begin(sc.gfp_mask, 0, cgroup_id(memcg->css.cgroup));
noreclaim_flag = memalloc_noreclaim_save();
nr_reclaimed = do_try_to_free_pages(zonelist, &sc);
memalloc_noreclaim_restore(noreclaim_flag);
- trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed);
+ trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed, cgroup_id(memcg->css.cgroup));
set_task_reclaim_state(current, NULL);
return nr_reclaimed;
@@ -7651,7 +7652,7 @@ static unsigned long __node_reclaim(stru
delayacct_freepages_end();
psi_memstall_leave(&pflags);
- trace_mm_vmscan_node_reclaim_end(sc->nr_reclaimed);
+ trace_mm_vmscan_node_reclaim_end(sc->nr_reclaimed, 0);
return sc->nr_reclaimed;
}
_
Patches currently in -mm which might be from tballasi@linux.microsoft.com are
mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch
mm-vmscan-add-pids-to-vmscan-tracepoints.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
* + mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch added to mm-new branch
@ 2026-01-06 3:38 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2026-01-06 3:38 UTC (permalink / raw)
To: mm-commits, zhengqi.arch, yuanchu, weixugc, shakeel.butt, rostedt,
roman.gushchin, muchun.song, mhocko, mhiramat, mathieu.desnoyers,
lorenzo.stoakes, hannes, david, david, axelrasmussen, tballasi,
akpm
The patch titled
Subject: mm: vmscan: add cgroup IDs to vmscan tracepoints
has been added to the -mm mm-new branch. Its filename is
mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch
This patch will later appear in the mm-new branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews. Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.
The mm-new branch of mm.git is not included in linux-next
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days
------------------------------------------------------
From: Thomas Ballasi <tballasi@linux.microsoft.com>
Subject: mm: vmscan: add cgroup IDs to vmscan tracepoints
Date: Mon, 5 Jan 2026 08:04:22 -0800
Memory reclaim events are currently difficult to attribute to specific
cgroups, making debugging memory pressure issues challenging. This patch
adds memory cgroup ID (memcg_id) to key vmscan tracepoints to enable
better correlation and analysis.
For operations not associated with a specific cgroup, the field is
defaulted to 0.
Link: https://lkml.kernel.org/r/20260105160423.23708-1-tballasi@linux.microsoft.com
Link: https://lkml.kernel.org/r/20260105160423.23708-2-tballasi@linux.microsoft.com
Signed-off-by: Thomas Ballasi <tballasi@linux.microsoft.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Wei Xu <weixugc@google.com>
Cc: Yuanchu Xie <yuanchu@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/trace/events/vmscan.h | 79 ++++++++++++++++++--------------
mm/shrinker.c | 2
mm/vmscan.c | 17 +++---
3 files changed, 56 insertions(+), 42 deletions(-)
--- a/include/trace/events/vmscan.h~mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints
+++ a/include/trace/events/vmscan.h
@@ -114,85 +114,92 @@ TRACE_EVENT(mm_vmscan_wakeup_kswapd,
DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, unsigned short memcg_id),
- TP_ARGS(order, gfp_flags),
+ TP_ARGS(gfp_flags, order, memcg_id),
TP_STRUCT__entry(
- __field( int, order )
__field( unsigned long, gfp_flags )
+ __field( int, order )
+ __field( unsigned short, memcg_id )
),
TP_fast_assign(
- __entry->order = order;
__entry->gfp_flags = (__force unsigned long)gfp_flags;
+ __entry->order = order;
+ __entry->memcg_id = memcg_id;
),
- TP_printk("order=%d gfp_flags=%s",
+ TP_printk("order=%d gfp_flags=%s memcg_id=%u",
__entry->order,
- show_gfp_flags(__entry->gfp_flags))
+ show_gfp_flags(__entry->gfp_flags),
+ __entry->memcg_id)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, unsigned short memcg_id),
- TP_ARGS(order, gfp_flags)
+ TP_ARGS(gfp_flags, order, memcg_id)
);
#ifdef CONFIG_MEMCG
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, unsigned short memcg_id),
- TP_ARGS(order, gfp_flags)
+ TP_ARGS(gfp_flags, order, memcg_id)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, unsigned short memcg_id),
- TP_ARGS(order, gfp_flags)
+ TP_ARGS(gfp_flags, order, memcg_id)
);
#endif /* CONFIG_MEMCG */
DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, unsigned short memcg_id),
- TP_ARGS(nr_reclaimed),
+ TP_ARGS(nr_reclaimed, memcg_id),
TP_STRUCT__entry(
__field( unsigned long, nr_reclaimed )
+ __field( unsigned short, memcg_id )
),
TP_fast_assign(
__entry->nr_reclaimed = nr_reclaimed;
+ __entry->memcg_id = memcg_id;
),
- TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
+ TP_printk("nr_reclaimed=%lu memcg_id=%u",
+ __entry->nr_reclaimed,
+ __entry->memcg_id)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, unsigned short memcg_id),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg_id)
);
#ifdef CONFIG_MEMCG
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, unsigned short memcg_id),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg_id)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, unsigned short memcg_id),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg_id)
);
#endif /* CONFIG_MEMCG */
@@ -208,31 +215,34 @@ TRACE_EVENT(mm_shrink_slab_start,
TP_STRUCT__entry(
__field(struct shrinker *, shr)
__field(void *, shrink)
- __field(int, nid)
__field(long, nr_objects_to_shrink)
__field(unsigned long, gfp_flags)
__field(unsigned long, cache_items)
__field(unsigned long long, delta)
__field(unsigned long, total_scan)
__field(int, priority)
+ __field(int, nid)
+ __field(unsigned short, memcg_id)
),
TP_fast_assign(
__entry->shr = shr;
__entry->shrink = shr->scan_objects;
- __entry->nid = sc->nid;
__entry->nr_objects_to_shrink = nr_objects_to_shrink;
__entry->gfp_flags = (__force unsigned long)sc->gfp_mask;
__entry->cache_items = cache_items;
__entry->delta = delta;
__entry->total_scan = total_scan;
__entry->priority = priority;
+ __entry->nid = sc->nid;
+ __entry->memcg_id = sc->memcg ? cgroup_id(sc->memcg->css.cgroup) : 0;
),
- TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
+ TP_printk("%pS %p: nid: %d memcg_id: %u objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
__entry->shrink,
__entry->shr,
__entry->nid,
+ __entry->memcg_id,
__entry->nr_objects_to_shrink,
show_gfp_flags(__entry->gfp_flags),
__entry->cache_items,
@@ -242,36 +252,39 @@ TRACE_EVENT(mm_shrink_slab_start,
);
TRACE_EVENT(mm_shrink_slab_end,
- TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
+ TP_PROTO(struct shrinker *shr, struct shrink_control *sc, int shrinker_retval,
long unused_scan_cnt, long new_scan_cnt, long total_scan),
- TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
+ TP_ARGS(shr, sc, shrinker_retval, unused_scan_cnt, new_scan_cnt,
total_scan),
TP_STRUCT__entry(
__field(struct shrinker *, shr)
- __field(int, nid)
__field(void *, shrink)
__field(long, unused_scan)
__field(long, new_scan)
- __field(int, retval)
__field(long, total_scan)
+ __field(int, nid)
+ __field(int, retval)
+ __field(unsigned short, memcg_id)
),
TP_fast_assign(
__entry->shr = shr;
- __entry->nid = nid;
__entry->shrink = shr->scan_objects;
__entry->unused_scan = unused_scan_cnt;
__entry->new_scan = new_scan_cnt;
- __entry->retval = shrinker_retval;
__entry->total_scan = total_scan;
+ __entry->nid = sc->nid;
+ __entry->retval = shrinker_retval;
+ __entry->memcg_id = cgroup_id(sc->memcg->css.cgroup);
),
- TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
+ TP_printk("%pS %p: nid: %d memcg_id: %u unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
__entry->shrink,
__entry->shr,
__entry->nid,
+ __entry->memcg_id,
__entry->unused_scan,
__entry->new_scan,
__entry->total_scan,
@@ -504,9 +517,9 @@ TRACE_EVENT(mm_vmscan_node_reclaim_begin
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, unsigned short memcg_id),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg_id)
);
TRACE_EVENT(mm_vmscan_throttled,
--- a/mm/shrinker.c~mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints
+++ a/mm/shrinker.c
@@ -461,7 +461,7 @@ static unsigned long do_shrink_slab(stru
*/
new_nr = add_nr_deferred(next_deferred, shrinker, shrinkctl);
- trace_mm_shrink_slab_end(shrinker, shrinkctl->nid, freed, nr, new_nr, total_scan);
+ trace_mm_shrink_slab_end(shrinker, shrinkctl, freed, nr, new_nr, total_scan);
return freed;
}
--- a/mm/vmscan.c~mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints
+++ a/mm/vmscan.c
@@ -6619,11 +6619,11 @@ unsigned long try_to_free_pages(struct z
return 1;
set_task_reclaim_state(current, &sc.reclaim_state);
- trace_mm_vmscan_direct_reclaim_begin(order, sc.gfp_mask);
+ trace_mm_vmscan_direct_reclaim_begin(sc.gfp_mask, order, 0);
nr_reclaimed = do_try_to_free_pages(zonelist, &sc);
- trace_mm_vmscan_direct_reclaim_end(nr_reclaimed);
+ trace_mm_vmscan_direct_reclaim_end(nr_reclaimed, 0);
set_task_reclaim_state(current, NULL);
return nr_reclaimed;
@@ -6652,8 +6652,9 @@ unsigned long mem_cgroup_shrink_node(str
sc.gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) |
(GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK);
- trace_mm_vmscan_memcg_softlimit_reclaim_begin(sc.order,
- sc.gfp_mask);
+ trace_mm_vmscan_memcg_softlimit_reclaim_begin(sc.gfp_mask,
+ sc.order,
+ cgroup_id(memcg->css.cgroup));
/*
* NOTE: Although we can get the priority field, using it
@@ -6664,7 +6665,7 @@ unsigned long mem_cgroup_shrink_node(str
*/
shrink_lruvec(lruvec, &sc);
- trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed);
+ trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed, cgroup_id(memcg->css.cgroup));
*nr_scanned = sc.nr_scanned;
@@ -6700,13 +6701,13 @@ unsigned long try_to_free_mem_cgroup_pag
struct zonelist *zonelist = node_zonelist(numa_node_id(), sc.gfp_mask);
set_task_reclaim_state(current, &sc.reclaim_state);
- trace_mm_vmscan_memcg_reclaim_begin(0, sc.gfp_mask);
+ trace_mm_vmscan_memcg_reclaim_begin(sc.gfp_mask, 0, cgroup_id(memcg->css.cgroup));
noreclaim_flag = memalloc_noreclaim_save();
nr_reclaimed = do_try_to_free_pages(zonelist, &sc);
memalloc_noreclaim_restore(noreclaim_flag);
- trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed);
+ trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed, cgroup_id(memcg->css.cgroup));
set_task_reclaim_state(current, NULL);
return nr_reclaimed;
@@ -7651,7 +7652,7 @@ static unsigned long __node_reclaim(stru
delayacct_freepages_end();
psi_memstall_leave(&pflags);
- trace_mm_vmscan_node_reclaim_end(sc->nr_reclaimed);
+ trace_mm_vmscan_node_reclaim_end(sc->nr_reclaimed, 0);
return sc->nr_reclaimed;
}
_
Patches currently in -mm which might be from tballasi@linux.microsoft.com are
mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch
mm-vmscan-add-pids-to-vmscan-tracepoints.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
* + mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch added to mm-new branch
@ 2026-02-23 18:33 Andrew Morton
0 siblings, 0 replies; 3+ messages in thread
From: Andrew Morton @ 2026-02-23 18:33 UTC (permalink / raw)
To: mm-commits, zhengqi.arch, yuanchu, weixugc, shakeel.butt, rostedt,
mhocko, mhiramat, mathieu.desnoyers, lorenzo.stoakes, hannes,
david, axelrasmussen, tballasi, akpm
The patch titled
Subject: mm: vmscan: add cgroup IDs to vmscan tracepoints
has been added to the -mm mm-new branch. Its filename is
mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch
This patch will later appear in the mm-new branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Note, mm-new is a provisional staging ground for work-in-progress
patches, and acceptance into mm-new is a notification for others take
notice and to finish up reviews. Please do not hesitate to respond to
review feedback and post updated versions to replace or incrementally
fixup patches in mm-new.
The mm-new branch of mm.git is not included in linux-next
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days
------------------------------------------------------
From: Thomas Ballasi <tballasi@linux.microsoft.com>
Subject: mm: vmscan: add cgroup IDs to vmscan tracepoints
Date: Mon, 23 Feb 2026 09:15:43 -0800
Memory reclaim events are currently difficult to attribute to specific
cgroups, making debugging memory pressure issues challenging. This patch
adds memory cgroup ID (memcg_id) to key vmscan tracepoints to enable
better correlation and analysis.
For operations not associated with a specific cgroup, the field is
defaulted to 0.
Link: https://lkml.kernel.org/r/20260223171544.4750-3-tballasi@linux.microsoft.com
Signed-off-by: Thomas Ballasi <tballasi@linux.microsoft.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Steven Rostedt (Google) <rostedt@goodmis.org>
Cc: Wei Xu <weixugc@google.com>
Cc: Yuanchu Xie <yuanchu@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/trace/events/vmscan.h | 83 ++++++++++++++++++--------------
mm/shrinker.c | 6 +-
mm/vmscan.c | 17 +++---
3 files changed, 61 insertions(+), 45 deletions(-)
--- a/include/trace/events/vmscan.h~mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints
+++ a/include/trace/events/vmscan.h
@@ -124,85 +124,92 @@ TRACE_EVENT(mm_vmscan_wakeup_kswapd,
DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_begin_template,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, struct mem_cgroup *memcg),
- TP_ARGS(order, gfp_flags),
+ TP_ARGS(gfp_flags, order, memcg),
TP_STRUCT__entry(
- __field( int, order )
__field( unsigned long, gfp_flags )
+ __field( u64, memcg_id )
+ __field( int, order )
),
TP_fast_assign(
- __entry->order = order;
__entry->gfp_flags = (__force unsigned long)gfp_flags;
+ __entry->order = order;
+ __entry->memcg_id = mem_cgroup_id(memcg);
),
- TP_printk("order=%d gfp_flags=%s",
+ TP_printk("order=%d gfp_flags=%s memcg_id=%llu",
__entry->order,
- show_gfp_flags(__entry->gfp_flags))
+ show_gfp_flags(__entry->gfp_flags),
+ __entry->memcg_id)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_direct_reclaim_begin,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, struct mem_cgroup *memcg),
- TP_ARGS(order, gfp_flags)
+ TP_ARGS(gfp_flags, order, memcg)
);
#ifdef CONFIG_MEMCG
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_reclaim_begin,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, struct mem_cgroup *memcg),
- TP_ARGS(order, gfp_flags)
+ TP_ARGS(gfp_flags, order, memcg)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_begin_template, mm_vmscan_memcg_softlimit_reclaim_begin,
- TP_PROTO(int order, gfp_t gfp_flags),
+ TP_PROTO(gfp_t gfp_flags, int order, struct mem_cgroup *memcg),
- TP_ARGS(order, gfp_flags)
+ TP_ARGS(gfp_flags, order, memcg)
);
#endif /* CONFIG_MEMCG */
DECLARE_EVENT_CLASS(mm_vmscan_direct_reclaim_end_template,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, struct mem_cgroup *memcg),
- TP_ARGS(nr_reclaimed),
+ TP_ARGS(nr_reclaimed, memcg),
TP_STRUCT__entry(
__field( unsigned long, nr_reclaimed )
+ __field( u64, memcg_id )
),
TP_fast_assign(
__entry->nr_reclaimed = nr_reclaimed;
+ __entry->memcg_id = mem_cgroup_id(memcg);
),
- TP_printk("nr_reclaimed=%lu", __entry->nr_reclaimed)
+ TP_printk("nr_reclaimed=%lu memcg_id=%llu",
+ __entry->nr_reclaimed,
+ __entry->memcg_id)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_direct_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, struct mem_cgroup *memcg),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg)
);
#ifdef CONFIG_MEMCG
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, struct mem_cgroup *memcg),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg)
);
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_memcg_softlimit_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, struct mem_cgroup *memcg),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg)
);
#endif /* CONFIG_MEMCG */
@@ -210,39 +217,42 @@ TRACE_EVENT(mm_shrink_slab_start,
TP_PROTO(struct shrinker *shr, struct shrink_control *sc,
long nr_objects_to_shrink, unsigned long cache_items,
unsigned long long delta, unsigned long total_scan,
- int priority),
+ int priority, struct mem_cgroup *memcg),
TP_ARGS(shr, sc, nr_objects_to_shrink, cache_items, delta, total_scan,
- priority),
+ priority, memcg),
TP_STRUCT__entry(
__field(struct shrinker *, shr)
__field(void *, shrink)
- __field(int, nid)
__field(long, nr_objects_to_shrink)
__field(unsigned long, gfp_flags)
__field(unsigned long, cache_items)
__field(unsigned long long, delta)
__field(unsigned long, total_scan)
__field(int, priority)
+ __field(int, nid)
+ __field(u64, memcg_id)
),
TP_fast_assign(
__entry->shr = shr;
__entry->shrink = shr->scan_objects;
- __entry->nid = sc->nid;
__entry->nr_objects_to_shrink = nr_objects_to_shrink;
__entry->gfp_flags = (__force unsigned long)sc->gfp_mask;
__entry->cache_items = cache_items;
__entry->delta = delta;
__entry->total_scan = total_scan;
__entry->priority = priority;
+ __entry->nid = sc->nid;
+ __entry->memcg_id = mem_cgroup_id(memcg);
),
- TP_printk("%pS %p: nid: %d objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
+ TP_printk("%pS %p: nid: %d memcg_id: %llu objects to shrink %ld gfp_flags %s cache items %ld delta %lld total_scan %ld priority %d",
__entry->shrink,
__entry->shr,
__entry->nid,
+ __entry->memcg_id,
__entry->nr_objects_to_shrink,
show_gfp_flags(__entry->gfp_flags),
__entry->cache_items,
@@ -253,35 +263,38 @@ TRACE_EVENT(mm_shrink_slab_start,
TRACE_EVENT(mm_shrink_slab_end,
TP_PROTO(struct shrinker *shr, int nid, int shrinker_retval,
- long unused_scan_cnt, long new_scan_cnt, long total_scan),
+ long unused_scan_cnt, long new_scan_cnt, long total_scan, struct mem_cgroup *memcg),
TP_ARGS(shr, nid, shrinker_retval, unused_scan_cnt, new_scan_cnt,
- total_scan),
+ total_scan, memcg),
TP_STRUCT__entry(
__field(struct shrinker *, shr)
- __field(int, nid)
__field(void *, shrink)
__field(long, unused_scan)
__field(long, new_scan)
- __field(int, retval)
__field(long, total_scan)
+ __field(int, nid)
+ __field(int, retval)
+ __field(u64, memcg_id)
),
TP_fast_assign(
__entry->shr = shr;
- __entry->nid = nid;
__entry->shrink = shr->scan_objects;
__entry->unused_scan = unused_scan_cnt;
__entry->new_scan = new_scan_cnt;
- __entry->retval = shrinker_retval;
__entry->total_scan = total_scan;
+ __entry->nid = nid;
+ __entry->retval = shrinker_retval;
+ __entry->memcg_id = mem_cgroup_id(memcg);
),
- TP_printk("%pS %p: nid: %d unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
+ TP_printk("%pS %p: nid: %d memcg_id: %llu unused scan count %ld new scan count %ld total_scan %ld last shrinker return val %d",
__entry->shrink,
__entry->shr,
__entry->nid,
+ __entry->memcg_id,
__entry->unused_scan,
__entry->new_scan,
__entry->total_scan,
@@ -514,9 +527,9 @@ TRACE_EVENT(mm_vmscan_node_reclaim_begin
DEFINE_EVENT(mm_vmscan_direct_reclaim_end_template, mm_vmscan_node_reclaim_end,
- TP_PROTO(unsigned long nr_reclaimed),
+ TP_PROTO(unsigned long nr_reclaimed, struct mem_cgroup *memcg),
- TP_ARGS(nr_reclaimed)
+ TP_ARGS(nr_reclaimed, memcg)
);
TRACE_EVENT(mm_vmscan_throttled,
--- a/mm/shrinker.c~mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints
+++ a/mm/shrinker.c
@@ -410,7 +410,8 @@ static unsigned long do_shrink_slab(stru
total_scan = min(total_scan, (2 * freeable));
trace_mm_shrink_slab_start(shrinker, shrinkctl, nr,
- freeable, delta, total_scan, priority);
+ freeable, delta, total_scan, priority,
+ shrinkctl->memcg);
/*
* Normally, we should not scan less than batch_size objects in one
@@ -461,7 +462,8 @@ static unsigned long do_shrink_slab(stru
*/
new_nr = add_nr_deferred(next_deferred, shrinker, shrinkctl);
- trace_mm_shrink_slab_end(shrinker, shrinkctl->nid, freed, nr, new_nr, total_scan);
+ trace_mm_shrink_slab_end(shrinker, shrinkctl->nid, freed, nr, new_nr, total_scan,
+ shrinkctl->memcg);
return freed;
}
--- a/mm/vmscan.c~mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints
+++ a/mm/vmscan.c
@@ -6578,11 +6578,11 @@ unsigned long try_to_free_pages(struct z
return 1;
set_task_reclaim_state(current, &sc.reclaim_state);
- trace_mm_vmscan_direct_reclaim_begin(order, sc.gfp_mask);
+ trace_mm_vmscan_direct_reclaim_begin(sc.gfp_mask, order, 0);
nr_reclaimed = do_try_to_free_pages(zonelist, &sc);
- trace_mm_vmscan_direct_reclaim_end(nr_reclaimed);
+ trace_mm_vmscan_direct_reclaim_end(nr_reclaimed, 0);
set_task_reclaim_state(current, NULL);
return nr_reclaimed;
@@ -6611,8 +6611,9 @@ unsigned long mem_cgroup_shrink_node(str
sc.gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) |
(GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK);
- trace_mm_vmscan_memcg_softlimit_reclaim_begin(sc.order,
- sc.gfp_mask);
+ trace_mm_vmscan_memcg_softlimit_reclaim_begin(sc.gfp_mask,
+ sc.order,
+ memcg);
/*
* NOTE: Although we can get the priority field, using it
@@ -6623,7 +6624,7 @@ unsigned long mem_cgroup_shrink_node(str
*/
shrink_lruvec(lruvec, &sc);
- trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed);
+ trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed, memcg);
*nr_scanned = sc.nr_scanned;
@@ -6659,13 +6660,13 @@ unsigned long try_to_free_mem_cgroup_pag
struct zonelist *zonelist = node_zonelist(numa_node_id(), sc.gfp_mask);
set_task_reclaim_state(current, &sc.reclaim_state);
- trace_mm_vmscan_memcg_reclaim_begin(0, sc.gfp_mask);
+ trace_mm_vmscan_memcg_reclaim_begin(sc.gfp_mask, 0, memcg);
noreclaim_flag = memalloc_noreclaim_save();
nr_reclaimed = do_try_to_free_pages(zonelist, &sc);
memalloc_noreclaim_restore(noreclaim_flag);
- trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed);
+ trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed, memcg);
set_task_reclaim_state(current, NULL);
return nr_reclaimed;
@@ -7639,7 +7640,7 @@ static unsigned long __node_reclaim(stru
delayacct_freepages_end();
psi_memstall_leave(&pflags);
- trace_mm_vmscan_node_reclaim_end(sc->nr_reclaimed);
+ trace_mm_vmscan_node_reclaim_end(sc->nr_reclaimed, 0);
return sc->nr_reclaimed;
}
_
Patches currently in -mm which might be from tballasi@linux.microsoft.com are
mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch
mm-vmscan-add-pids-to-vmscan-tracepoints.patch
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2026-02-23 18:33 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2026-02-23 18:33 + mm-vmscan-add-cgroup-ids-to-vmscan-tracepoints.patch added to mm-new branch Andrew Morton
-- strict thread matches above, loose matches on Subject: below --
2026-01-06 3:38 Andrew Morton
2026-01-05 21:41 Andrew Morton
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