X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=mm%2Fslab.c;h=168bfe9d8ffef0da7e4355889178792249ee1800;hb=6a5b518f222449e707e553573f937faf6e57f03d;hp=70784b848b69b475718f0090033770b7c17b511b;hpb=54c66f6d781e03dc0b23956234963c4911e6d1c0;p=powerpc.git

diff --git a/mm/slab.c b/mm/slab.c
index 70784b848b..168bfe9d8f 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1042,7 +1042,7 @@ static void *alternate_node_alloc(struct kmem_cache *, gfp_t);
 static struct array_cache **alloc_alien_cache(int node, int limit)
 {
 	struct array_cache **ac_ptr;
-	int memsize = sizeof(void *) * MAX_NUMNODES;
+	int memsize = sizeof(void *) * nr_node_ids;
 	int i;
 
 	if (limit > 1)
@@ -1146,7 +1146,7 @@ static inline int cache_free_alien(struct kmem_cache *cachep, void *objp)
 	 * Make sure we are not freeing a object from another node to the array
 	 * cache on this cpu.
 	 */
-	if (likely(slabp->nodeid == node) || unlikely(!use_alien_caches))
+	if (likely(slabp->nodeid == node))
 		return 0;
 
 	l3 = cachep->nodelists[node];
@@ -1394,6 +1394,9 @@ void __init kmem_cache_init(void)
 	int order;
 	int node;
 
+	if (num_possible_nodes() == 1)
+		use_alien_caches = 0;
+
 	for (i = 0; i < NUM_INIT_LISTS; i++) {
 		kmem_list3_init(&initkmem_list3[i]);
 		if (i < MAX_NUMNODES)
@@ -1802,8 +1805,8 @@ static void check_poison_obj(struct kmem_cache *cachep, void *objp)
 			/* Print header */
 			if (lines == 0) {
 				printk(KERN_ERR
-					"Slab corruption: start=%p, len=%d\n",
-					realobj, size);
+					"Slab corruption: %s start=%p, len=%d\n",
+					cachep->name, realobj, size);
 				print_objinfo(cachep, objp, 0);
 			}
 			/* Hexdump the affected line */
@@ -3563,7 +3566,7 @@ static inline void __cache_free(struct kmem_cache *cachep, void *objp)
 	check_irq_off();
 	objp = cache_free_debugcheck(cachep, objp, __builtin_return_address(0));
 
-	if (cache_free_alien(cachep, objp))
+	if (use_alien_caches && cache_free_alien(cachep, objp))
 		return;
 
 	if (likely(ac->avail < ac->limit)) {
@@ -4026,7 +4029,7 @@ void drain_array(struct kmem_cache *cachep, struct kmem_list3 *l3,
 
 /**
  * cache_reap - Reclaim memory from caches.
- * @unused: unused parameter
+ * @w: work descriptor
  *
  * Called from workqueue/eventd every few seconds.
  * Purpose: