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authorJason Yan <yanaijie@huawei.com>2020-04-10 14:32:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-04-10 15:36:21 -0700
commit8b885f53b03e3b14003083daf64a6ed16bf561b3 (patch)
tree01df31a4f423adbbf8866055713fa9665189f641
parente6a0a7ad1c2b6608e294fbbce60c42ba5a1304ce (diff)
downloadlinux-8b885f53b03e3b14003083daf64a6ed16bf561b3.tar.bz2
mm/page_alloc: make pcpu_drain_mutex and pcpu_drain static
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>
-rw-r--r--mm/page_alloc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index d98441ab1036..69827d4fa052 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -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;