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memcg: rename mem_cgroup_flush_stats_"delayed" to "ratelimited"

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mem_cgroup_flush_stats_delayed() suggests his is using a delayed_work, but
this is actually sometimes flushing directly from the callsite.

What it's doing is ratelimited calls.  A better name would be
mem_cgroup_flush_stats_ratelimited().

Link: https://lkml.kernel.org/r/20230330191801.1967435-3-yosryahmed@google.com
Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
Suggested-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Josef Bacik <josef@toxicpanda.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michal Koutný <mkoutny@suse.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vasily Averin <vasily.averin@linux.dev>
Cc: Zefan Li <lizefan.x@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Yosry Ahmed 2023-03-30 19:17:55 +00:00 committed by Andrew Morton
parent 8bff9a04ca
commit 92fbbc7202
3 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/memcontrol.h
View File

@ -1038,7 +1038,7 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec,
}
void mem_cgroup_flush_stats(void);
void mem_cgroup_flush_stats_delayed(void);
void mem_cgroup_flush_stats_ratelimited(void);
void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
int val);
@ -1536,7 +1536,7 @@ static inline void mem_cgroup_flush_stats(void)
{
}
static inline void mem_cgroup_flush_stats_delayed(void)
static inline void mem_cgroup_flush_stats_ratelimited(void)
{
}

2
mm/memcontrol.c
View File

@ -654,7 +654,7 @@ void mem_cgroup_flush_stats(void)
__mem_cgroup_flush_stats();
}
void mem_cgroup_flush_stats_delayed(void)
void mem_cgroup_flush_stats_ratelimited(void)
{
if (time_after64(jiffies_64, flush_next_time))
mem_cgroup_flush_stats();

2
mm/workingset.c
View File

@ -462,7 +462,7 @@ void workingset_refault(struct folio *folio, void *shadow)
mod_lruvec_state(lruvec, WORKINGSET_REFAULT_BASE + file, nr);
mem_cgroup_flush_stats_delayed();
mem_cgroup_flush_stats_ratelimited();
/*
* Compare the distance to the existing workingset size. We
* don't activate pages that couldn't stay resident even if