X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=mm%2Fslab.c;h=4cbac24ae2f1f25c2a81e728aa576f1ae8b9d254;hb=1a3e323907dc5991cba2d715d5db3ae2eac78280;hp=caa8f87e04eb0772c7959752cf605ace33eeb869;hpb=7c5cae368a6c44eac0e817ae130301b65ff446dc;p=linux-2.6-omap-h63xx.git

diff --git a/mm/slab.c b/mm/slab.c
index caa8f87e04e..4cbac24ae2f 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -793,8 +793,10 @@ static inline struct kmem_cache *__find_general_cachep(size_t size,
 	 * has cs_{dma,}cachep==NULL. Thus no special case
 	 * for large kmalloc calls required.
 	 */
+#ifdef CONFIG_ZONE_DMA
 	if (unlikely(gfpflags & GFP_DMA))
 		return csizep->cs_dmacachep;
+#endif
 	return csizep->cs_cachep;
 }
 
@@ -1040,7 +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)
@@ -1493,13 +1495,15 @@ void __init kmem_cache_init(void)
 					ARCH_KMALLOC_FLAGS|SLAB_PANIC,
 					NULL, NULL);
 		}
-
-		sizes->cs_dmacachep = kmem_cache_create(names->name_dma,
+#ifdef CONFIG_ZONE_DMA
+		sizes->cs_dmacachep = kmem_cache_create(
+					names->name_dma,
 					sizes->cs_size,
 					ARCH_KMALLOC_MINALIGN,
 					ARCH_KMALLOC_FLAGS|SLAB_CACHE_DMA|
 						SLAB_PANIC,
 					NULL, NULL);
+#endif
 		sizes++;
 		names++;
 	}
@@ -1798,8 +1802,8 @@ 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 */
@@ -2321,7 +2325,7 @@ kmem_cache_create (const char *name, size_t size, size_t align,
 	cachep->slab_size = slab_size;
 	cachep->flags = flags;
 	cachep->gfpflags = 0;
-	if (flags & SLAB_CACHE_DMA)
+	if (CONFIG_ZONE_DMA_FLAG && (flags & SLAB_CACHE_DMA))
 		cachep->gfpflags |= GFP_DMA;
 	cachep->buffer_size = size;
 	cachep->reciprocal_buffer_size = reciprocal_value(size);
@@ -2516,7 +2520,7 @@ EXPORT_SYMBOL(kmem_cache_shrink);
  * kmem_cache_destroy - delete a cache
  * @cachep: the cache to destroy
  *
- * Remove a struct kmem_cache object from the slab cache.
+ * Remove a &struct kmem_cache object from the slab cache.
  *
  * It is expected this function will be called by a module when it is
  * unloaded.  This will remove the cache completely, and avoid a duplicate
@@ -2643,10 +2647,12 @@ static void cache_init_objs(struct kmem_cache *cachep,
 
 static void kmem_flagcheck(struct kmem_cache *cachep, gfp_t flags)
 {
-	if (flags & GFP_DMA)
-		BUG_ON(!(cachep->gfpflags & GFP_DMA));
-	else
-		BUG_ON(cachep->gfpflags & GFP_DMA);
+	if (CONFIG_ZONE_DMA_FLAG) {
+		if (flags & GFP_DMA)
+			BUG_ON(!(cachep->gfpflags & GFP_DMA));
+		else
+			BUG_ON(cachep->gfpflags & GFP_DMA);
+	}
 }
 
 static void *slab_get_obj(struct kmem_cache *cachep, struct slab *slabp,
@@ -3745,6 +3751,7 @@ void kmem_cache_free(struct kmem_cache *cachep, void *objp)
 	BUG_ON(virt_to_cache(objp) != cachep);
 
 	local_irq_save(flags);
+	debug_check_no_locks_freed(objp, obj_size(cachep));
 	__cache_free(cachep, objp);
 	local_irq_restore(flags);
 }
@@ -4019,7 +4026,7 @@ 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: