OOM path is missing the irq restore in the CONFIG_CMPXCHG_LOCAL case. Signed-off-by: Christoph Lameter <cl@xxxxxxxxx> --- 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)) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>