slab: prevent warnings when allocating with __GFP_NOWARN

[~andy/linux] / mm / slab_common.c

diff --git a/mm/slab_common.c b/mm/slab_common.c
index ff3218a0f5e14029aab5c23dd323f447d2a86173..2d414508e9ecb32e64df911c72bf0dd2682b87b8 100644 (file)
--- a/mm/slab_common.c
+++ b/mm/slab_common.c
@@ -373,8 +373,10 @@ struct kmem_cache *kmalloc_slab(size_t size, gfp_t flags)
 {
        int index;
 
-       if (WARN_ON_ONCE(size > KMALLOC_MAX_SIZE))
+       if (size > KMALLOC_MAX_SIZE) {
+               WARN_ON_ONCE(!(flags & __GFP_NOWARN));
                return NULL;
+       }
 
        if (size <= 192) {
                if (!size)