---
 include/linux/slab.h |    1 +
 mm/slub.c            |   10 ++++++++++
 2 files changed, 11 insertions(+)

Index: slub/include/linux/slab.h
===================================================================
--- slub.orig/include/linux/slab.h	2007-05-18 18:23:47.000000000 -0700
+++ slub/include/linux/slab.h	2007-05-18 18:26:53.000000000 -0700
@@ -82,6 +82,7 @@ void *kmem_cache_zalloc(struct kmem_cach
 void kmem_cache_free(struct kmem_cache *, void *);
 unsigned int kmem_cache_size(struct kmem_cache *);
 const char *kmem_cache_name(struct kmem_cache *);
+struct kmem_cache *kmem_cache_slab(const void *);
 int kmem_ptr_validate(struct kmem_cache *cachep, const void *ptr);
 int kmem_cache_vacate(struct page *);
 
Index: slub/mm/slub.c
===================================================================
--- slub.orig/mm/slub.c	2007-05-18 18:24:08.000000000 -0700
+++ slub/mm/slub.c	2007-05-18 18:26:29.000000000 -0700
@@ -2086,6 +2086,16 @@ const char *kmem_cache_name(struct kmem_
 }
 EXPORT_SYMBOL(kmem_cache_name);
 
+struct kmem_cache *kmem_cache_slab(const void *object)
+{
+	struct page *page = get_object_page(object);
+
+	if (page)
+		return page->slab;
+
+	return NULL;
+}
+
 /*
  * Attempt to free all slabs on a node. Return the number of slabs we
  * were unable to free.