The patch titled
Subject: mm: memcg: account memory used for memcg vmstats and lruvec stats
has been added to the -mm mm-unstable branch. Its filename is
mm-memcg-account-memory-used-for-memcg-vmstats-and-lruvec-stats.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-memcg-account-memory-used-for-memcg-vmstats-and-lruvec-stats.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Subject: mm: memcg: account memory used for memcg vmstats and lruvec stats
Date: Wed, 1 May 2024 10:26:12 -0700
The percpu memory used by memcg's memory statistics is already accounted.
For consistency, let's enable accounting for vmstats and lruvec stats as
well.
Link: https://lkml.kernel.org/r/20240501172617.678560-4-shakeel.butt@xxxxxxxxx
Signed-off-by: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Signed-off-by: Shakeel Butt <shakeel.butt@xxxxxxxxx>
Reviewed-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
Reviewed-by: T.J. Mercier <tjmercier@xxxxxxxxxx>
Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Muchun Song <muchun.song@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/memcontrol.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/mm/memcontrol.c~mm-memcg-account-memory-used-for-memcg-vmstats-and-lruvec-stats
+++ a/mm/memcontrol.c
@@ -5540,8 +5540,8 @@ static int alloc_mem_cgroup_per_node_inf
if (!pn)
return 1;
- pn->lruvec_stats = kzalloc_node(sizeof(struct lruvec_stats), GFP_KERNEL,
- node);
+ pn->lruvec_stats = kzalloc_node(sizeof(struct lruvec_stats),
+ GFP_KERNEL_ACCOUNT, node);
if (!pn->lruvec_stats)
goto fail;
@@ -5612,7 +5612,8 @@ static struct mem_cgroup *mem_cgroup_all
goto fail;
}
- memcg->vmstats = kzalloc(sizeof(struct memcg_vmstats), GFP_KERNEL);
+ memcg->vmstats = kzalloc(sizeof(struct memcg_vmstats),
+ GFP_KERNEL_ACCOUNT);
if (!memcg->vmstats)
goto fail;
_
Patches currently in -mm which might be from roman.gushchin@xxxxxxxxx are
mm-memcg-account-memory-used-for-memcg-vmstats-and-lruvec-stats.patch
