slub: look up object from the freelist once

We only need to look up object from c->page->freelist once in
__slab_alloc().

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Christoph Lameter <clameter@sgi.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/mm/slub.c b/mm/slub.c
index 10d546954efa..db8026ba049f 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1486,7 +1486,6 @@ load_freelist:
         if (unlikely(SlabDebug(c->page)))
                 goto debug;
 
-        object = c->page->freelist;
         c->freelist = object[c->offset];
         c->page->inuse = s->objects;
         c->page->freelist = NULL;
@@ -1542,7 +1541,6 @@ new_slab:
 
         return NULL;
 debug:
-        object = c->page->freelist;
         if (!alloc_debug_processing(s, c->page, object, addr))
                 goto another_slab;