Index: linux-2.6.21-rc5/include/linux/slab.h
===================================================================
--- linux-2.6.21-rc5.orig/include/linux/slab.h	2007-03-25 15:56:23.000000000 -0700
+++ linux-2.6.21-rc5/include/linux/slab.h	2007-03-26 16:15:06.000000000 -0700
@@ -73,7 +73,7 @@ static inline void *kmem_cache_alloc_nod
 void *__kmalloc(size_t, gfp_t);
 void *__kzalloc(size_t, gfp_t);
 void kfree(const void *);
-unsigned int ksize(const void *);
+size_t ksize(const void *);
 
 /**
  * kcalloc - allocate memory for an array. The memory is set to zero.
Index: linux-2.6.21-rc5/mm/slab.c
===================================================================
--- linux-2.6.21-rc5.orig/mm/slab.c	2007-03-26 16:15:02.000000000 -0700
+++ linux-2.6.21-rc5/mm/slab.c	2007-03-26 16:15:10.000000000 -0700
@@ -4478,7 +4478,7 @@ const struct seq_operations slabstats_op
  * allocated with either kmalloc() or kmem_cache_alloc(). The object
  * must not be freed during the duration of the call.
  */
-unsigned int ksize(const void *objp)
+size_t ksize(const void *objp)
 {
 	if (unlikely(objp == NULL))
 		return 0;