REVIEW: Remove kmem_free build warnings

["Barry Naujok" <bnaujok@xxxxxxx>]

===========================================================================
fs/xfs/linux-2.6/kmem.c
===========================================================================

--- a/fs/xfs/linux-2.6/kmem.c   2008-05-21 18:06:48.000000000 +1000
+++ b/fs/xfs/linux-2.6/kmem.c   2008-05-21 18:04:44.400231547 +1000
@@ -90,7 +90,7 @@ kmem_zalloc_greedy(size_t *size, size_t
 }

 void
-kmem_free(void *ptr)
+kmem_free(const void *ptr)
 {
        if (((unsigned long)ptr < VMALLOC_START) ||
            ((unsigned long)ptr >= VMALLOC_END)) {

===========================================================================
fs/xfs/linux-2.6/kmem.h
===========================================================================

--- a/fs/xfs/linux-2.6/kmem.h	2008-05-21 18:06:48.000000000 +1000
+++ b/fs/xfs/linux-2.6/kmem.h	2008-05-21 18:05:33.673925302 +1000
@@ -58,7 +58,7 @@ extern void *kmem_alloc(size_t, unsigned
 extern void *kmem_zalloc(size_t, unsigned int __nocast);
 extern void *kmem_zalloc_greedy(size_t *, size_t, size_t, unsigned int  
__nocast);
 extern void *kmem_realloc(void *, size_t, size_t, unsigned int __nocast);
-extern void  kmem_free(void *);
+extern void  kmem_free(const void *);

 /*
  * Zone interfaces