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| author | Shakeel Butt <shakeel.butt@linux.dev> | 2024-08-15 07:04:48 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-02 05:26:19 +0200 |
| commit | 41213dd0f81654f0a7863bb5b07a2ebaaf732ebe (patch) | |
| tree | 7d4ff6361d4a97dee4a7526e1870345bcb1e46a5 /mm/memcontrol.c | |
| parent | memcg: move v1 only percpu stats in separate struct (diff) | |
| download | linux-41213dd0f81654f0a7863bb5b07a2ebaaf732ebe.tar.xz linux-41213dd0f81654f0a7863bb5b07a2ebaaf732ebe.zip | |
memcg: move mem_cgroup_event_ratelimit to v1 code
There are no callers of mem_cgroup_event_ratelimit() in the v2 code. Move
it to v1 only code and rename it to memcg1_event_ratelimit().
Link: https://lkml.kernel.org/r/20240815050453.1298138-3-shakeel.butt@linux.dev
Signed-off-by: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: T.J. Mercier <tjmercier@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/memcontrol.c')
| -rw-r--r-- | mm/memcontrol.c | 28 |
1 files changed, 0 insertions, 28 deletions
diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 36ec28d3d25e..35dec7e38870 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -95,9 +95,6 @@ static bool cgroup_memory_nobpf __ro_after_init; static DECLARE_WAIT_QUEUE_HEAD(memcg_cgwb_frn_waitq); #endif -#define THRESHOLDS_EVENTS_TARGET 128 -#define SOFTLIMIT_EVENTS_TARGET 1024 - static inline bool task_is_dying(void) { return tsk_is_oom_victim(current) || fatal_signal_pending(current) || @@ -856,31 +853,6 @@ void mem_cgroup_charge_statistics(struct mem_cgroup *memcg, int nr_pages) __this_cpu_add(memcg->events_percpu->nr_page_events, nr_pages); } -bool mem_cgroup_event_ratelimit(struct mem_cgroup *memcg, - enum mem_cgroup_events_target target) -{ - unsigned long val, next; - - val = __this_cpu_read(memcg->events_percpu->nr_page_events); - next = __this_cpu_read(memcg->events_percpu->targets[target]); - /* from time_after() in jiffies.h */ - if ((long)(next - val) < 0) { - switch (target) { - case MEM_CGROUP_TARGET_THRESH: - next = val + THRESHOLDS_EVENTS_TARGET; - break; - case MEM_CGROUP_TARGET_SOFTLIMIT: - next = val + SOFTLIMIT_EVENTS_TARGET; - break; - default: - break; - } - __this_cpu_write(memcg->events_percpu->targets[target], next); - return true; - } - return false; -} - struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p) { /* |