inuse will always be set to page->objects. There is no point in initializing the field to zero in new_slab() and then overwriting the value in __slab_alloc(). Signed-off-by: Christoph Lameter <cl@xxxxxxxxx> --- mm/slub.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) Index: linux-2.6/mm/slub.c =================================================================== --- linux-2.6.orig/mm/slub.c 2011-05-24 09:41:15.454874919 -0500 +++ linux-2.6/mm/slub.c 2011-05-24 09:41:20.854874883 -0500 @@ -1332,7 +1332,7 @@ static struct page *new_slab(struct kmem set_freepointer(s, last, NULL); page->freelist = start; - page->inuse = 0; + page->inuse = page->objects; page->frozen = 1; out: return page; @@ -2022,7 +2022,6 @@ new_slab: */ object = page->freelist; page->freelist = NULL; - page->inuse = page->objects; stat(s, ALLOC_SLAB); c->node = page_to_nid(page); @@ -2564,7 +2563,7 @@ static void early_kmem_cache_node_alloc( n = page->freelist; BUG_ON(!n); page->freelist = get_freepointer(kmem_cache_node, n); - page->inuse++; + page->inuse = 1; page->frozen = 0; kmem_cache_node->node[node] = n; #ifdef CONFIG_SLUB_DEBUG -- 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>