* + mm-damon-paddr-support-addr_unit-for-damos_lru_prio.patch added to mm-new branch
@ 2025-08-22 23:37 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2025-08-22 23:37 UTC (permalink / raw)
To: mm-commits, zuoze1, yanquanmin1, wangkefeng.wang, sj, akpm
The patch titled
Subject: mm/damon/paddr: support addr_unit for DAMOS_LRU_[DE]PRIO
has been added to the -mm mm-new branch. Its filename is
mm-damon-paddr-support-addr_unit-for-damos_lru_prio.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-paddr-support-addr_unit-for-damos_lru_prio.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.
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 the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: SeongJae Park <sj@kernel.org>
Subject: mm/damon/paddr: support addr_unit for DAMOS_LRU_[DE]PRIO
Date: Fri, 22 Aug 2025 17:34:12 +0800
Add support of addr_unit for DAMOS_LRU_PRIO and DAMOS_LRU_DEPRIO action
handling from the DAMOS operation implementation for the physical address
space.
Link: https://lkml.kernel.org/r/20250822093420.2103803-5-yanquanmin1@huawei.com
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Quanmin Yan <yanquanmin1@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: ze zuo <zuoze1@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/damon/paddr.c | 29 +++++++++++++++++------------
1 file changed, 17 insertions(+), 12 deletions(-)
--- a/mm/damon/paddr.c~mm-damon-paddr-support-addr_unit-for-damos_lru_prio
+++ a/mm/damon/paddr.c
@@ -194,14 +194,15 @@ put_folio:
}
static inline unsigned long damon_pa_mark_accessed_or_deactivate(
- struct damon_region *r, struct damos *s, bool mark_accessed,
+ struct damon_region *r, unsigned long addr_unit,
+ struct damos *s, bool mark_accessed,
unsigned long *sz_filter_passed)
{
- unsigned long addr, applied = 0;
+ phys_addr_t addr, applied = 0;
struct folio *folio;
- addr = r->ar.start;
- while (addr < r->ar.end) {
+ addr = damon_pa_phys_addr(r->ar.start, addr_unit);
+ while (addr < damon_pa_phys_addr(r->ar.end, addr_unit)) {
folio = damon_get_folio(PHYS_PFN(addr));
if (damon_pa_invalid_damos_folio(folio, s)) {
addr += PAGE_SIZE;
@@ -211,7 +212,7 @@ static inline unsigned long damon_pa_mar
if (damos_pa_filter_out(s, folio))
goto put_folio;
else
- *sz_filter_passed += folio_size(folio);
+ *sz_filter_passed += folio_size(folio) / addr_unit;
if (mark_accessed)
folio_mark_accessed(folio);
@@ -223,20 +224,22 @@ put_folio:
folio_put(folio);
}
s->last_applied = folio;
- return applied * PAGE_SIZE;
+ return applied * PAGE_SIZE / addr_unit;
}
static unsigned long damon_pa_mark_accessed(struct damon_region *r,
- struct damos *s, unsigned long *sz_filter_passed)
+ unsigned long addr_unit, struct damos *s,
+ unsigned long *sz_filter_passed)
{
- return damon_pa_mark_accessed_or_deactivate(r, s, true,
+ return damon_pa_mark_accessed_or_deactivate(r, addr_unit, s, true,
sz_filter_passed);
}
static unsigned long damon_pa_deactivate_pages(struct damon_region *r,
- struct damos *s, unsigned long *sz_filter_passed)
+ unsigned long addr_unit, struct damos *s,
+ unsigned long *sz_filter_passed)
{
- return damon_pa_mark_accessed_or_deactivate(r, s, false,
+ return damon_pa_mark_accessed_or_deactivate(r, addr_unit, s, false,
sz_filter_passed);
}
@@ -309,9 +312,11 @@ static unsigned long damon_pa_apply_sche
case DAMOS_PAGEOUT:
return damon_pa_pageout(r, aunit, scheme, sz_filter_passed);
case DAMOS_LRU_PRIO:
- return damon_pa_mark_accessed(r, scheme, sz_filter_passed);
+ return damon_pa_mark_accessed(r, aunit, scheme,
+ sz_filter_passed);
case DAMOS_LRU_DEPRIO:
- return damon_pa_deactivate_pages(r, scheme, sz_filter_passed);
+ return damon_pa_deactivate_pages(r, aunit, scheme,
+ sz_filter_passed);
case DAMOS_MIGRATE_HOT:
case DAMOS_MIGRATE_COLD:
return damon_pa_migrate(r, scheme, sz_filter_passed);
_
Patches currently in -mm which might be from sj@kernel.org are
mm-zswap-store-page_size-compression-failed-page-as-is.patch
mm-zswap-store-page_size-compression-failed-page-as-is-fix.patch
mm-zswap-store-page_size-compression-failed-page-as-is-v5.patch
mm-damon-core-add-damon_ctx-addr_unit.patch
mm-damon-paddr-support-addr_unit-for-access-monitoring.patch
mm-damon-paddr-support-addr_unit-for-damos_pageout.patch
mm-damon-paddr-support-addr_unit-for-damos_lru_prio.patch
mm-damon-paddr-support-addr_unit-for-migrate_hotcold.patch
mm-damon-paddr-support-addr_unit-for-damos_stat.patch
mm-damon-sysfs-implement-addr_unit-file-under-context-dir.patch
docs-mm-damon-design-document-address-unit-parameter.patch
docs-admin-guide-mm-damon-usage-document-addr_unit-file.patch
docs-abi-damon-document-addr_unit-file.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
* + mm-damon-paddr-support-addr_unit-for-damos_lru_prio.patch added to mm-new branch
@ 2025-08-28 22:40 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2025-08-28 22:40 UTC (permalink / raw)
To: mm-commits, zuoze1, yanquanmin1, wangkefeng.wang, vbabka, surenb,
rppt, mhocko, lorenzo.stoakes, liam.howlett, david, corbet, sj,
akpm
The patch titled
Subject: mm/damon/paddr: support addr_unit for DAMOS_LRU_[DE]PRIO
has been added to the -mm mm-new branch. Its filename is
mm-damon-paddr-support-addr_unit-for-damos_lru_prio.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-damon-paddr-support-addr_unit-for-damos_lru_prio.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.
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 the mm-everything
branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there every 2-3 working days
------------------------------------------------------
From: SeongJae Park <sj@kernel.org>
Subject: mm/damon/paddr: support addr_unit for DAMOS_LRU_[DE]PRIO
Date: Thu, 28 Aug 2025 10:12:35 -0700
Add support of addr_unit for DAMOS_LRU_PRIO and DAMOS_LRU_DEPRIO action
handling from the DAMOS operation implementation for the physical address
space.
Link: https://lkml.kernel.org/r/20250828171242.59810-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Quanmin Yan <yanquanmin1@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: ze zuo <zuoze1@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/damon/paddr.c | 29 +++++++++++++++++------------
1 file changed, 17 insertions(+), 12 deletions(-)
--- a/mm/damon/paddr.c~mm-damon-paddr-support-addr_unit-for-damos_lru_prio
+++ a/mm/damon/paddr.c
@@ -207,14 +207,15 @@ put_folio:
}
static inline unsigned long damon_pa_mark_accessed_or_deactivate(
- struct damon_region *r, struct damos *s, bool mark_accessed,
+ struct damon_region *r, unsigned long addr_unit,
+ struct damos *s, bool mark_accessed,
unsigned long *sz_filter_passed)
{
- unsigned long addr, applied = 0;
+ phys_addr_t addr, applied = 0;
struct folio *folio;
- addr = r->ar.start;
- while (addr < r->ar.end) {
+ addr = damon_pa_phys_addr(r->ar.start, addr_unit);
+ while (addr < damon_pa_phys_addr(r->ar.end, addr_unit)) {
folio = damon_get_folio(PHYS_PFN(addr));
if (damon_pa_invalid_damos_folio(folio, s)) {
addr += PAGE_SIZE;
@@ -224,7 +225,7 @@ static inline unsigned long damon_pa_mar
if (damos_pa_filter_out(s, folio))
goto put_folio;
else
- *sz_filter_passed += folio_size(folio);
+ *sz_filter_passed += folio_size(folio) / addr_unit;
if (mark_accessed)
folio_mark_accessed(folio);
@@ -236,20 +237,22 @@ put_folio:
folio_put(folio);
}
s->last_applied = folio;
- return applied * PAGE_SIZE;
+ return damon_pa_core_addr(applied * PAGE_SIZE, addr_unit);
}
static unsigned long damon_pa_mark_accessed(struct damon_region *r,
- struct damos *s, unsigned long *sz_filter_passed)
+ unsigned long addr_unit, struct damos *s,
+ unsigned long *sz_filter_passed)
{
- return damon_pa_mark_accessed_or_deactivate(r, s, true,
+ return damon_pa_mark_accessed_or_deactivate(r, addr_unit, s, true,
sz_filter_passed);
}
static unsigned long damon_pa_deactivate_pages(struct damon_region *r,
- struct damos *s, unsigned long *sz_filter_passed)
+ unsigned long addr_unit, struct damos *s,
+ unsigned long *sz_filter_passed)
{
- return damon_pa_mark_accessed_or_deactivate(r, s, false,
+ return damon_pa_mark_accessed_or_deactivate(r, addr_unit, s, false,
sz_filter_passed);
}
@@ -322,9 +325,11 @@ static unsigned long damon_pa_apply_sche
case DAMOS_PAGEOUT:
return damon_pa_pageout(r, aunit, scheme, sz_filter_passed);
case DAMOS_LRU_PRIO:
- return damon_pa_mark_accessed(r, scheme, sz_filter_passed);
+ return damon_pa_mark_accessed(r, aunit, scheme,
+ sz_filter_passed);
case DAMOS_LRU_DEPRIO:
- return damon_pa_deactivate_pages(r, scheme, sz_filter_passed);
+ return damon_pa_deactivate_pages(r, aunit, scheme,
+ sz_filter_passed);
case DAMOS_MIGRATE_HOT:
case DAMOS_MIGRATE_COLD:
return damon_pa_migrate(r, scheme, sz_filter_passed);
_
Patches currently in -mm which might be from sj@kernel.org are
mm-zswap-store-page_size-compression-failed-page-as-is.patch
mm-zswap-store-page_size-compression-failed-page-as-is-fix.patch
mm-zswap-store-page_size-compression-failed-page-as-is-v5.patch
mm-damon-core-add-damon_ctx-addr_unit.patch
mm-damon-paddr-support-addr_unit-for-access-monitoring.patch
mm-damon-paddr-support-addr_unit-for-damos_pageout.patch
mm-damon-paddr-support-addr_unit-for-damos_lru_prio.patch
mm-damon-paddr-support-addr_unit-for-migrate_hotcold.patch
mm-damon-paddr-support-addr_unit-for-damos_stat.patch
mm-damon-sysfs-implement-addr_unit-file-under-context-dir.patch
docs-mm-damon-design-document-address-unit-parameter.patch
docs-admin-guide-mm-damon-usage-document-addr_unit-file.patch
docs-abi-damon-document-addr_unit-file.patch
^ permalink raw reply [flat|nested] 2+ messages in thread
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