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* slub: Add missing irq restore for the OOM path
@ 2011-03-22 18:32 Christoph Lameter
  0 siblings, 0 replies; only message in thread
From: Christoph Lameter @ 2011-03-22 18:32 UTC (permalink / raw)
  To: Pekka Enberg; +Cc: linux-mm


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

Signed-off-by: Christoph Lameter <cl@linux.com>


---
 mm/slub.c |    3 +++
 1 file changed, 3 insertions(+)

Index: linux-2.6/mm/slub.c
===================================================================
--- linux-2.6.orig/mm/slub.c	2011-03-22 13:28:06.000000000 -0500
+++ linux-2.6/mm/slub.c	2011-03-22 13:30:15.000000000 -0500
@@ -1812,6 +1812,9 @@ 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))

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