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mm: memcontrol: remove unnecessary NULL check before free_percpu()

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free_percpu() checks for NULL pointers internally.  Remove unneeded NULL
check here.

Link: https://lkml.kernel.org/r/20250417084330.937380-1-nichen@iscas.ac.cn
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
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: Shakeel Butt <shakeel.butt@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Chen Ni
2025-05-11 17:48:34 -07:00
committed by Andrew Morton
parent d096612048
commit 6e14fd33f1
1 changed files with 1 additions and 2 deletions
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mm/memcontrol-v1.c
+1 -2
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@@ -2198,8 +2198,7 @@ bool memcg1_alloc_events(struct mem_cgroup *memcg)
void memcg1_free_events(struct mem_cgroup *memcg)
{
if (memcg->events_percpu)
free_percpu(memcg->events_percpu);
free_percpu(memcg->events_percpu);
}
static int __init memcg1_init(void)