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    Subject[slubllv3 20/21] slub: Not necessary to check for empty slab on load_freelist
    Load freelist is now only branched to if there are objects available.
    So no need to check.

    ---
    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 2011-04-01 10:22:56.000000000 -0500
    +++ linux-2.6/mm/slub.c 2011-04-01 10:22:58.000000000 -0500
    @@ -1976,14 +1976,13 @@ static void *__slab_alloc(struct kmem_ca
    "__slab_alloc"));
    }

    -load_freelist:
    - VM_BUG_ON(!page->frozen);
    -
    if (unlikely(!object)) {
    c->page = NULL;
    goto new_slab;
    }

    +load_freelist:
    + VM_BUG_ON(!page->frozen);
    c->freelist = get_freepointer(s, object);

    #ifdef CONFIG_CMPXCHG_LOCAL


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