SLUB: Fix CONFIG_SLUB_DEBUG use for CONFIG_NUMA

We currently cannot disable CONFIG_SLUB_DEBUG for CONFIG_NUMA.  Now that
embedded systems start to use NUMA we may need this.

Put an #ifdef around places where NUMA only code uses fields only valid
for CONFIG_SLUB_DEBUG.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/slub.c b/mm/slub.c
index 1c5d6a0..52a4f44 100644 (file)
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -1853,7 +1853,9 @@ static void init_kmem_cache_node(struct kmem_cache_node *n)
        atomic_long_set(&n->nr_slabs, 0);
        spin_lock_init(&n->list_lock);
        INIT_LIST_HEAD(&n->partial);
+#ifdef CONFIG_SLUB_DEBUG
        INIT_LIST_HEAD(&n->full);
+#endif
 }
 
 #ifdef CONFIG_NUMA
@@ -1881,8 +1883,10 @@ static struct kmem_cache_node * __init early_kmem_cache_node_alloc(gfp_t gfpflag
        page->freelist = get_freepointer(kmalloc_caches, n);
        page->inuse++;
        kmalloc_caches->node[node] = n;
+#ifdef CONFIG_SLUB_DEBUG
        init_object(kmalloc_caches, n, 1);
        init_tracking(kmalloc_caches, n);
+#endif
        init_kmem_cache_node(n);
        atomic_long_inc(&n->nr_slabs);
        add_partial(n, page);