The patch titled
Subject: memcg: rename mem_cgroup_flush_stats_"delayed" to "ratelimited"
has been added to the -mm mm-unstable branch. Its filename is
memcg-rename-mem_cgroup_flush_stats_delayed-to-ratelimited.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/memcg-rename-mem_cgroup_flush_stats_delayed-to-ratelimited.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: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
Subject: memcg: rename mem_cgroup_flush_stats_"delayed" to "ratelimited"
Date: Thu, 30 Mar 2023 19:17:55 +0000
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@xxxxxxxxxx
Signed-off-by: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
Suggested-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Acked-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Josef Bacik <josef@xxxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Michal Koutný <mkoutny@xxxxxxxx>
Cc: Muchun Song <muchun.song@xxxxxxxxx>
Cc: Roman Gushchin <roman.gushchin@xxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Vasily Averin <vasily.averin@xxxxxxxxx>
Cc: Zefan Li <lizefan.x@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/memcontrol.h | 4 ++--
mm/memcontrol.c | 2 +-
mm/workingset.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
--- a/include/linux/memcontrol.h~memcg-rename-mem_cgroup_flush_stats_delayed-to-ratelimited
+++ a/include/linux/memcontrol.h
@@ -1038,7 +1038,7 @@ static inline unsigned long lruvec_page_
}
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_stat
{
}
-static inline void mem_cgroup_flush_stats_delayed(void)
+static inline void mem_cgroup_flush_stats_ratelimited(void)
{
}
--- a/mm/memcontrol.c~memcg-rename-mem_cgroup_flush_stats_delayed-to-ratelimited
+++ a/mm/memcontrol.c
@@ -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();
--- a/mm/workingset.c~memcg-rename-mem_cgroup_flush_stats_delayed-to-ratelimited
+++ a/mm/workingset.c
@@ -462,7 +462,7 @@ void workingset_refault(struct folio *fo
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
_
Patches currently in -mm which might be from yosryahmed@xxxxxxxxxx are
cgroup-rename-cgroup_rstat_flush_irqsafe-to-atomic.patch
memcg-rename-mem_cgroup_flush_stats_delayed-to-ratelimited.patch
memcg-do-not-flush-stats-in-irq-context.patch
memcg-replace-stats_flush_lock-with-an-atomic.patch
memcg-sleep-during-flushing-stats-in-safe-contexts.patch
workingset-memcg-sleep-when-flushing-stats-in-workingset_refault.patch
vmscan-memcg-sleep-when-flushing-stats-during-reclaim.patch
memcg-do-not-modify-rstat-tree-for-zero-updates.patch
