From: Adrian Bunk <bunk@kernel.org>

This patch makes the needlessly global anon_vma_cachep static.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/rmap.h |   12 ------------
 mm/rmap.c            |   12 +++++++++++-
 2 files changed, 11 insertions(+), 13 deletions(-)

diff -puN include/linux/rmap.h~make-mm-rmapc-anon_vma_cachep-static include/linux/rmap.h
--- a/include/linux/rmap.h~make-mm-rmapc-anon_vma_cachep-static
+++ a/include/linux/rmap.h
@@ -31,18 +31,6 @@ struct anon_vma {
 
 #ifdef CONFIG_MMU
 
-extern struct kmem_cache *anon_vma_cachep;
-
-static inline struct anon_vma *anon_vma_alloc(void)
-{
-	return kmem_cache_alloc(anon_vma_cachep, GFP_KERNEL);
-}
-
-static inline void anon_vma_free(struct anon_vma *anon_vma)
-{
-	kmem_cache_free(anon_vma_cachep, anon_vma);
-}
-
 static inline void anon_vma_lock(struct vm_area_struct *vma)
 {
 	struct anon_vma *anon_vma = vma->anon_vma;
diff -puN mm/rmap.c~make-mm-rmapc-anon_vma_cachep-static mm/rmap.c
--- a/mm/rmap.c~make-mm-rmapc-anon_vma_cachep-static
+++ a/mm/rmap.c
@@ -54,7 +54,17 @@
 
 #include "internal.h"
 
-struct kmem_cache *anon_vma_cachep;
+static struct kmem_cache *anon_vma_cachep;
+
+static inline struct anon_vma *anon_vma_alloc(void)
+{
+	return kmem_cache_alloc(anon_vma_cachep, GFP_KERNEL);
+}
+
+static inline void anon_vma_free(struct anon_vma *anon_vma)
+{
+	kmem_cache_free(anon_vma_cachep, anon_vma);
+}
 
 /* This must be called under the mmap_sem. */
 int anon_vma_prepare(struct vm_area_struct *vma)
_