[PATCH v4 3/8] mm: memcg: account memory used for memcg vmstats and lruvec stats

Shakeel Butt
2024-05-01T17:26:43Z

From: Roman Gushchin <roman.gushchin@linux.dev>

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.

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>
---
Changes since v3:
- N/A

mm/memcontrol.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 7126459ec56a..434cff91b65e 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5545,8 +5545,8 @@ static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node)
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;

@@ -5617,7 +5617,8 @@ static struct mem_cgroup *mem_cgroup_alloc(struct mem_cgroup *parent)
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;

--
2.43.0