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authorWei Yang <richard.weiyang@gmail.com>2018-12-28 11:33:09 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-12-28 23:11:46 +0300
commit6159d0f5c03e81daed29657e60383ee27f979b4a (patch)
treec500a80950592a2f1bd65f50d521d4aac11d57da /mm/slub.c
parent1265ef2de4cef44cec91ba47009958eec6162836 (diff)
downloadlinux-6159d0f5c03e81daed29657e60383ee27f979b4a.tar.xz
mm/slub.c: page is always non-NULL in node_match()
node_match() is a static function and is only invoked in slub.c. In all three places, `page' is ensured to be valid. Link: http://lkml.kernel.org/r/20181106150245.1668-1-richard.weiyang@gmail.com Signed-off-by: Wei Yang <richard.weiyang@gmail.com> Acked-by: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slub.c')
-rw-r--r--mm/slub.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 3fd791c0dae5..011e53e5845b 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2369,7 +2369,7 @@ static int slub_cpu_dead(unsigned int cpu)
static inline int node_match(struct page *page, int node)
{
#ifdef CONFIG_NUMA
- if (!page || (node != NUMA_NO_NODE && page_to_nid(page) != node))
+ if (node != NUMA_NO_NODE && page_to_nid(page) != node)
return 0;
#endif
return 1;