---

yaml --- r: 28934 b: refs/heads/master c: ddc2e81 h: refs/heads/master v: v3
git-mirror · Jun 23, 2006 · 941a826 · 941a826
1 parent f346063
commit 941a826
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Showing 2 changed files with 5 additions and 10 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8d3c138b77f195ca0eee6fb639ae73f5ea9edb6b
+refs/heads/master: ddc2e812d592457747c4367fb73edcaa8e1e49ff
diff --git a/trunk/mm/slab.c b/trunk/mm/slab.c
@@ -592,6 +592,7 @@ static inline struct kmem_cache *page_get_cache(struct page *page)
 {
 	if (unlikely(PageCompound(page)))
 		page = (struct page *)page_private(page);
+	BUG_ON(!PageSlab(page));
 	return (struct kmem_cache *)page->lru.next;
 }
 
@@ -604,6 +605,7 @@ static inline struct slab *page_get_slab(struct page *page)
 {
 	if (unlikely(PageCompound(page)))
 		page = (struct page *)page_private(page);
+	BUG_ON(!PageSlab(page));
 	return (struct slab *)page->lru.prev;
 }
 
@@ -2669,15 +2671,6 @@ static void *cache_free_debugcheck(struct kmem_cache *cachep, void *objp,
 	kfree_debugcheck(objp);
 	page = virt_to_page(objp);
 
-	if (page_get_cache(page) != cachep) {
-		printk(KERN_ERR "mismatch in kmem_cache_free: expected "
-				"cache %p, got %p\n",
-		       page_get_cache(page), cachep);
-		printk(KERN_ERR "%p is %s.\n", cachep, cachep->name);
-		printk(KERN_ERR "%p is %s.\n", page_get_cache(page),
-		       page_get_cache(page)->name);
-		WARN_ON(1);
-	}
 	slabp = page_get_slab(page);
 
 	if (cachep->flags & SLAB_RED_ZONE) {
@@ -3393,6 +3386,8 @@ void kmem_cache_free(struct kmem_cache *cachep, void *objp)
 {
 	unsigned long flags;
 
+	BUG_ON(virt_to_cache(objp) != cachep);
+
 	local_irq_save(flags);
 	__cache_free(cachep, objp);
 	local_irq_restore(flags);