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mm: memcontrol: move stray ratelimit bits to v1

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41213dd0f8 ("memcg: move mem_cgroup_event_ratelimit to v1 code") left
this one behind.  There are no v2 references.

Link: https://lkml.kernel.org/r/20250124043859.18808-2-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Johannes Weiner
2025-01-23 23:38:59 -05:00
committed by Andrew Morton
parent 75fe8ec238
commit 0d892bbbfa
2 changed files with 13 additions and 12 deletions
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13
mm/memcontrol-v1.c
View File

@@ -490,6 +490,19 @@ static void mem_cgroup_threshold(struct mem_cgroup *memcg)
}
/* Cgroup1: threshold notifications & softlimit tree updates */
/*
* Per memcg event counter is incremented at every pagein/pageout. With THP,
* it will be incremented by the number of pages. This counter is used
* to trigger some periodic events. This is straightforward and better
* than using jiffies etc. to handle periodic memcg event.
*/
enum mem_cgroup_events_target {
MEM_CGROUP_TARGET_THRESH,
MEM_CGROUP_TARGET_SOFTLIMIT,
MEM_CGROUP_NTARGETS,
};
struct memcg1_events_percpu {
unsigned long nr_page_events;
unsigned long targets[MEM_CGROUP_NTARGETS];

12
mm/memcontrol-v1.h
View File

@@ -28,18 +28,6 @@ static inline bool do_memsw_account(void)
return !cgroup_subsys_on_dfl(memory_cgrp_subsys);
}
/*
* Per memcg event counter is incremented at every pagein/pageout. With THP,
* it will be incremented by the number of pages. This counter is used
* to trigger some periodic events. This is straightforward and better
* than using jiffies etc. to handle periodic memcg event.
*/
enum mem_cgroup_events_target {
MEM_CGROUP_TARGET_THRESH,
MEM_CGROUP_TARGET_SOFTLIMIT,
MEM_CGROUP_NTARGETS,
};
unsigned long mem_cgroup_usage(struct mem_cgroup *memcg, bool swap);
void drain_all_stock(struct mem_cgroup *root_memcg);