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Date:	Sun, 4 Apr 2010 19:09:25 -0400
From:	Rik van Riel <>
To:	Minchan Kim <>
Cc:	Linus Torvalds <>,
	Andrew Morton <>,
	Borislav Petkov <>,
	Linux Kernel Mailing List <>,
	KOSAKI Motohiro <>,
	Lee Schermerhorn <>,
	Nick Piggin <>,
	Andrea Arcangeli <>,
	Hugh Dickins <>,
Subject: [PATCH] rmap: fix anon_vma_fork() memory leak

Fix a memory leak in anon_vma_fork(), where we fail to tear down the
anon_vmas attached to the new VMA in case setting up the new anon_vma

Reported-by: Minchan Kim <>
Signed-off-by: Rik van Riel <>

diff --git a/mm/rmap.c b/mm/rmap.c
index fcd593c..fb7ce99 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -231,6 +231,7 @@ int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
+	unlink_anon_vmas(vma);
 	return -ENOMEM;

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