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mm/page_alloc: make pcpu_drain_mutex and pcpu_drain static

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Fix the following sparse warning:

  mm/page_alloc.c:106:1: warning: symbol 'pcpu_drain_mutex' was not declared. Should it be static?
  mm/page_alloc.c:107:1: warning: symbol '__pcpu_scope_pcpu_drain' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200407023925.46438-1-yanaijie@huawei.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jason Yan 2020-04-10 14:32:32 -07:00 committed by Linus Torvalds
parent e6a0a7ad1c
commit 8b885f53b0
1 changed files with 2 additions and 2 deletions
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4
mm/page_alloc.c
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@ -103,8 +103,8 @@ struct pcpu_drain {
struct zone *zone;
struct work_struct work;
};
DEFINE_MUTEX(pcpu_drain_mutex);
DEFINE_PER_CPU(struct pcpu_drain, pcpu_drain);
static DEFINE_MUTEX(pcpu_drain_mutex);
static DEFINE_PER_CPU(struct pcpu_drain, pcpu_drain);
#ifdef CONFIG_GCC_PLUGIN_LATENT_ENTROPY
volatile unsigned long latent_entropy __latent_entropy;