From 0779c0253fccef35613f4a3cff2089f4879f2370 Mon Sep 17 00:00:00 2001
From: Andi Kleen <andi@firstfloor.org>
Date: Wed, 16 Sep 2009 11:50:04 +0200
Subject: [PATCH] --- yaml --- r: 165723 b: refs/heads/master c:
 10be22dfe1e6ad978269dc275147e0ed049187bb h: refs/heads/master i:   165721:
 f0815a93511cc46d8d422f68049496e88f85acf2   165719:
 a5513288ac0c235dbb8423daf6f663cbb960df0f v: v3

---
 [refs]                     | 2 +-
 trunk/include/linux/rmap.h | 6 ++++++
 trunk/mm/rmap.c            | 4 ++--
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index 1bfce52f29d0..411504c73a3a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d466f2fcb32cd97fd586bfa33f5dba3ac78aadb0
+refs/heads/master: 10be22dfe1e6ad978269dc275147e0ed049187bb
diff --git a/trunk/include/linux/rmap.h b/trunk/include/linux/rmap.h
index bf116d0dbf23..8dff2ffab82c 100644
--- a/trunk/include/linux/rmap.h
+++ b/trunk/include/linux/rmap.h
@@ -112,6 +112,12 @@ int page_mkclean(struct page *);
  */
 int try_to_munlock(struct page *);
 
+/*
+ * Called by memory-failure.c to kill processes.
+ */
+struct anon_vma *page_lock_anon_vma(struct page *page);
+void page_unlock_anon_vma(struct anon_vma *anon_vma);
+
 #else	/* !CONFIG_MMU */
 
 #define anon_vma_init()		do {} while (0)
diff --git a/trunk/mm/rmap.c b/trunk/mm/rmap.c
index 0895b5c7cbff..5a35c030e779 100644
--- a/trunk/mm/rmap.c
+++ b/trunk/mm/rmap.c
@@ -191,7 +191,7 @@ void __init anon_vma_init(void)
  * Getting a lock on a stable anon_vma from a page off the LRU is
  * tricky: page_lock_anon_vma rely on RCU to guard against the races.
  */
-static struct anon_vma *page_lock_anon_vma(struct page *page)
+struct anon_vma *page_lock_anon_vma(struct page *page)
 {
 	struct anon_vma *anon_vma;
 	unsigned long anon_mapping;
@@ -211,7 +211,7 @@ static struct anon_vma *page_lock_anon_vma(struct page *page)
 	return NULL;
 }
 
-static void page_unlock_anon_vma(struct anon_vma *anon_vma)
+void page_unlock_anon_vma(struct anon_vma *anon_vma)
 {
 	spin_unlock(&anon_vma->lock);
 	rcu_read_unlock();