[XFS] kmem_free and kmem_realloc to use const void *

SGI-PV: 981498
SGI-Modid: xfs-linux-melb:xfs-kern:31212a

Signed-off-by: Barry Naujok <bnaujok@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>

fs/xfs/linux-2.6/kmem.c

@@ -90,7 +90,7 @@ kmem_zalloc_greedy(size_t *size, size_t minsize, size_t maxsize,
 }
 
 void
-kmem_free(void *ptr)
+kmem_free(const void *ptr)
 {
 	if (!is_vmalloc_addr(ptr)) {
 		kfree(ptr);
@@ -100,7 +100,7 @@ kmem_free(void *ptr)
 }
 
 void *
-kmem_realloc(void *ptr, size_t newsize, size_t oldsize,
+kmem_realloc(const void *ptr, size_t newsize, size_t oldsize,
 	     unsigned int __nocast flags)
 {
 	void	*new;

fs/xfs/linux-2.6/kmem.h

@@ -57,8 +57,8 @@ kmem_flags_convert(unsigned int __nocast flags)
 extern void *kmem_alloc(size_t, unsigned int __nocast);
 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_realloc(const void *, size_t, size_t, unsigned int __nocast);
+extern void  kmem_free(const void *);
 
 /*
  * Zone interfaces