X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=mm%2Fslab.c;h=00f98b9f6df1e46eef8a73605bc39205b69a0f47;hb=6310984694c8204ad16a2414cd58808fae68e02b;hp=ae440b5ba60e4e6668197521b13266ca9b3099e0;hpb=364fbb29a0105863d76a1f7bbc01783a4af30a75;p=linux-2.6

diff --git a/mm/slab.c b/mm/slab.c
index ae440b5ba6..00f98b9f6d 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -1223,19 +1223,20 @@ static int __cpuinit cpuup_callback(struct notifier_block *nfb,
 		 */
 		list_for_each_entry(cachep, &cache_chain, next) {
 			struct array_cache *nc;
-			struct array_cache *shared;
+			struct array_cache *shared = NULL;
 			struct array_cache **alien = NULL;
 
 			nc = alloc_arraycache(node, cachep->limit,
 						cachep->batchcount);
 			if (!nc)
 				goto bad;
-			shared = alloc_arraycache(node,
+			if (cachep->shared) {
+				shared = alloc_arraycache(node,
 					cachep->shared * cachep->batchcount,
 					0xbaadf00d);
-			if (!shared)
-				goto bad;
-
+				if (!shared)
+					goto bad;
+			}
 			if (use_alien_caches) {
                                 alien = alloc_alien_cache(node, cachep->limit);
                                 if (!alien)
@@ -1317,8 +1318,8 @@ static int __cpuinit cpuup_callback(struct notifier_block *nfb,
 
 			shared = l3->shared;
 			if (shared) {
-				free_block(cachep, l3->shared->entry,
-					   l3->shared->avail, node);
+				free_block(cachep, shared->entry,
+					   shared->avail, node);
 				l3->shared = NULL;
 			}
 
@@ -3870,12 +3871,15 @@ static int alloc_kmemlist(struct kmem_cache *cachep)
                                 goto fail;
                 }
 
-		new_shared = alloc_arraycache(node,
+		new_shared = NULL;
+		if (cachep->shared) {
+			new_shared = alloc_arraycache(node,
 				cachep->shared*cachep->batchcount,
 					0xbaadf00d);
-		if (!new_shared) {
-			free_alien_cache(new_alien);
-			goto fail;
+			if (!new_shared) {
+				free_alien_cache(new_alien);
+				goto fail;
+			}
 		}
 
 		l3 = cachep->nodelists[node];