WARN_ON() already contains an unlikely(), so it's not necessary to use unlikely.
Signed-off-by: Yangtao Li <[email protected]> --- mm/slab_common.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/slab_common.c b/mm/slab_common.c index 7eb8dc136c1c..4f54684f5435 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -1029,10 +1029,8 @@ struct kmem_cache *kmalloc_slab(size_t size, gfp_t flags) index = size_index[size_index_elem(size)]; } else { - if (unlikely(size > KMALLOC_MAX_CACHE_SIZE)) { - WARN_ON(1); + if (WARN_ON(size > KMALLOC_MAX_CACHE_SIZE)) return NULL; - } index = fls(size - 1); } -- 2.17.0
