node_match() is a static function and only invoked in slub.c. In all three places, page is ensured to be valid. Signed-off-by: Wei Yang <richard.weiyang@xxxxxxxxx> --- mm/slub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/slub.c b/mm/slub.c index 90d26063be68..af8bea511855 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2365,7 +2365,7 @@ 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; -- 2.15.1