Index: linux-2.6.18-rc4/include/linux/slabifier.h
===================================================================
--- linux-2.6.18-rc4.orig/include/linux/slabifier.h	2006-08-09 20:05:37.958793371 -0700
+++ linux-2.6.18-rc4/include/linux/slabifier.h	2006-08-09 20:10:14.759071845 -0700
@@ -41,7 +41,7 @@ struct slab {
  * on and off lists and therefore influences sslab overhead.
  */
 
-extern int slab_create(struct slab *s, size_t size, int order, gfp_t flags);
+extern int slab_create(struct slab *s, size_t size, int order, struct allocator *);
 
 extern void *slab_alloc(struct slab *, gfp_t);
 extern void *slab_zalloc(struct slab *, gfp_t);
@@ -77,3 +77,13 @@ extern int slab_pointer_valid(struct sla
 extern unsigned long slab_objects(struct slab *);
 
 
+/* Slab allocators */
+struct slab_allocator {
+	struct page *(*allocate)(int order, gfp_t flags);
+	void (*free)(int order);
+};
+
+extern struct slab_allocator page_allocator;
+extern struct slab_allocator vmalloc_alloc;
+extern struct slab_allocator uncached_alloc;
+