Disable slub debug facilities and allocate slabs at minimal order when debug_guardpage_minorder > 0 to increase probability to catch random memory corruption by cpu exception. v1 -> v2: - use slub_max_order to minimalize slub order Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx> --- mm/slub.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/mm/slub.c b/mm/slub.c index 7d2a996..a66be56 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3645,6 +3645,9 @@ void __init kmem_cache_init(void) struct kmem_cache *temp_kmem_cache_node; unsigned long kmalloc_size; + if (debug_guardpage_minorder()) + slub_max_order = 0; + kmem_size = offsetof(struct kmem_cache, node) + nr_node_ids * sizeof(struct kmem_cache_node *); -- 1.7.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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>