SLUB: Don't print out OOM warning for __GFP_NOFAIL

We must check for __GFP_NOFAIL like the page allocator does; otherwise we end
up with false positives. While at it, add the printk_ratelimit() check in SLUB
as well.

Cc: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

1 files changed, 2 insertions, 1 deletions

diff --git a/mm/slub.c b/mm/slub.c
index 9fb892b6afe..0996b3be751 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1631,7 +1631,8 @@ new_slab:
                 c->page = new;
                 goto load_freelist;
         }
-        slab_out_of_memory(s, gfpflags, node);
+        if (!(gfpflags & __GFP_NOWARN) && printk_ratelimit())
+                slab_out_of_memory(s, gfpflags, node);
         return NULL;
 debug:
         if (!alloc_debug_processing(s, c->page, object, addr))