slub: Add missing irq restore for the OOM path

OOM path is missing the irq restore in the CONFIG_CMPXCHG_LOCAL case.

Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/mm/slub.c b/mm/slub.c
index 7e4f835e32ab..e126cfbd3df2 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1857,6 +1857,9 @@ new_slab:
         }
         if (!(gfpflags & __GFP_NOWARN) && printk_ratelimit())
                 slab_out_of_memory(s, gfpflags, node);
+#ifdef CONFIG_CMPXCHG_LOCAL
+        local_irq_restore(flags);
+#endif
         return NULL;
 debug:
         if (!alloc_debug_processing(s, c->page, object, addr))