[merged mm-stable] mm-rmap-fix-comment-in-anon_vma_clone.patch removed from -mm tree

[merged mm-stable] mm-rmap-fix-comment-in-anon_vma_clone.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: mm/rmap: fix comment in anon_vma_clone()
has been removed from the -mm tree.  Its filename was
     mm-rmap-fix-comment-in-anon_vma_clone.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Ma Wupeng <mawupeng1@huawei.com>
Subject: mm/rmap: fix comment in anon_vma_clone()
Date: Fri, 14 Oct 2022 09:39:31 +0800

Commit 2555283eb40d ("mm/rmap: Fix anon_vma->degree ambiguity leading to
double-reuse") use num_children and num_active_vmas to replace the origin
degree to fix anon_vma UAF problem.  Update the comment in anon_vma_clone
to fit this change.

Link: https://lkml.kernel.org/r/20221014013931.1565969-1-mawupeng1@huawei.com
Signed-off-by: Ma Wupeng <mawupeng1@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/rmap.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/mm/rmap.c~mm-rmap-fix-comment-in-anon_vma_clone
+++ a/mm/rmap.c
@@ -315,8 +315,8 @@ int anon_vma_clone(struct vm_area_struct
 
  enomem_failure:
 	/*
-	 * dst->anon_vma is dropped here otherwise its degree can be incorrectly
-	 * decremented in unlink_anon_vmas().
+	 * dst->anon_vma is dropped here otherwise its num_active_vmas can
+	 * be incorrectly decremented in unlink_anon_vmas().
 	 * We can safely do this because callers of anon_vma_clone() don't care
 	 * about dst->anon_vma if anon_vma_clone() failed.
 	 */
_

Patches currently in -mm which might be from mawupeng1@huawei.com are