From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,vbabka@kernel.org,stable@vger.kernel.org,shakeel.butt@linux.dev,roman.gushchin@linux.dev,muchun.song@linux.dev,mhocko@kernel.org,hannes@cmpxchg.org,cuitao@kylinos.cn,alex@ghiti.fr,zhangguopeng@kylinos.cn,akpm@linux-foundation.org
Subject: [merged mm-stable] mm-memcontrol-update-state_local-when-flushing-nmi-stats.patch removed from -mm tree
Date: Tue, 04 Aug 2026 19:26:55 -0700 [thread overview]
Message-ID: <20260805022655.A58451F000E9@smtp.kernel.org> (raw)
The quilt patch titled
Subject: mm: memcontrol: update state_local when flushing NMI stats
has been removed from the -mm tree. Its filename was
mm-memcontrol-update-state_local-when-flushing-nmi-stats.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Guopeng Zhang <zhangguopeng@kylinos.cn>
Subject: mm: memcontrol: update state_local when flushing NMI stats
Date: Mon, 13 Jul 2026 16:50:53 +0800
flush_nmi_stats() updates state[] for kmem and slab counters but leaves
the corresponding state_local[] counters unchanged. Local kmem and slab
statistics therefore miss updates collected through the NMI-safe atomic
path.
Update state_local[] together with state[].
Link: https://lore.kernel.org/20260713085053.2916813-1-guopeng.zhang@linux.dev
Fixes: 940b01fc8dc1 ("memcg: nmi safe memcg stats for specific archs")
Signed-off-by: Guopeng Zhang <zhangguopeng@kylinos.cn>
Acked-by: Tao Cui <cuitao@kylinos.cn>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/memcontrol.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/mm/memcontrol.c~mm-memcontrol-update-state_local-when-flushing-nmi-stats
+++ a/mm/memcontrol.c
@@ -4443,6 +4443,7 @@ static void flush_nmi_stats(struct mem_c
int index = memcg_stats_index(MEMCG_KMEM);
memcg->vmstats->state[index] += kmem;
+ memcg->vmstats->state_local[index] += kmem;
if (parent)
parent->vmstats->state_pending[index] += kmem;
}
@@ -4460,9 +4461,11 @@ static void flush_nmi_stats(struct mem_c
int index = memcg_stats_index(NR_SLAB_RECLAIMABLE_B);
lstats->state[index] += slab;
+ lstats->state_local[index] += slab;
if (plstats)
plstats->state_pending[index] += slab;
memcg->vmstats->state[index] += slab;
+ memcg->vmstats->state_local[index] += slab;
if (parent)
parent->vmstats->state_pending[index] += slab;
}
@@ -4471,9 +4474,11 @@ static void flush_nmi_stats(struct mem_c
int index = memcg_stats_index(NR_SLAB_UNRECLAIMABLE_B);
lstats->state[index] += slab;
+ lstats->state_local[index] += slab;
if (plstats)
plstats->state_pending[index] += slab;
memcg->vmstats->state[index] += slab;
+ memcg->vmstats->state_local[index] += slab;
if (parent)
parent->vmstats->state_pending[index] += slab;
}
_
Patches currently in -mm which might be from zhangguopeng@kylinos.cn are
mm-memcg-v1-account-vmpressure-event-allocations.patch
mm-memcg-v1-fix-wrong-linux-mm-list-address-in-deprecation-warnings.patch
mm-memcontrol-drop-unused-cpu-argument-from-flush_nmi_stats.patch
mm-memcontrol-factor-out-memcg-kmem-uncharge-sequence.patch
mm-memcg-v1-make-mem_cgroup_oom_notify_cb-return-void.patch
mm-memcg-stop-reclaim-when-a-limit-update-is-superseded.patch
reply other threads:[~2026-08-05 2:26 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260805022655.A58451F000E9@smtp.kernel.org \
--to=akpm@linux-foundation.org \
--cc=alex@ghiti.fr \
--cc=cuitao@kylinos.cn \
--cc=hannes@cmpxchg.org \
--cc=mhocko@kernel.org \
--cc=mm-commits@vger.kernel.org \
--cc=muchun.song@linux.dev \
--cc=roman.gushchin@linux.dev \
--cc=shakeel.butt@linux.dev \
--cc=stable@vger.kernel.org \
--cc=vbabka@kernel.org \
--cc=zhangguopeng@kylinos.cn \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.