+ mm-memcg-account-memory-used-for-memcg-vmstats-and-lruvec-stats.patch added to mm-unstable branch

+ mm-memcg-account-memory-used-for-memcg-vmstats-and-lruvec-stats.patch added to mm-unstable branch

[Andrew Morton]

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

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------------------------------------------------------
From: Roman Gushchin <roman.gushchin@linux.dev>
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@linux.dev
Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev>
Reviewed-by: Yosry Ahmed <yosryahmed@google.com>
Reviewed-by: T.J. Mercier <tjmercier@google.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 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@linux.dev are

mm-memcg-account-memory-used-for-memcg-vmstats-and-lruvec-stats.patch