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>
This commit is contained in:
Wei Yang 2018-12-28 00:33:09 -08:00 committed by Linus Torvalds
parent 1265ef2de4
commit 6159d0f5c0

View File

@ -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;