Verify that objects returned from __slab_alloc come from slab pages in the correct state. Signed-off-by: Christoph Lameter <cl@xxxxxxxxx> --- mm/slub.c | 6 ++++++ 1 file changed, 6 insertions(+) Index: linux-2.6/mm/slub.c =================================================================== --- linux-2.6.orig/mm/slub.c 2012-04-10 10:32:54.322751065 -0500 +++ linux-2.6/mm/slub.c 2012-04-10 10:32:58.634750976 -0500 @@ -2245,6 +2245,12 @@ redo: stat(s, ALLOC_REFILL); load_freelist: + /* + * freelist is pointing to the list of objects to be used. + * page is pointing to the page from which the objects are obtained. + * That page must be frozen for per cpu allocations to work. + */ + VM_BUG_ON(!c->page->frozen); c->freelist = get_freepointer(s, freelist); c->tid = next_tid(c->tid); local_irq_restore(flags); -- 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>