From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Date: Wed, 21 Sep 2005 16:55:37 +0000 (-0700)
Subject: [PATCH] fix locking comment in unmap_region()
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=f10df6860498c7f52db4f00ff00a1ba334bcfea0;p=openwrt%2Fstaging%2Fblogic.git

[PATCH] fix locking comment in unmap_region()

That comment is plain wrong (we even take the pagetable lock inside
unmap_region()).

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/mm/mmap.c b/mm/mmap.c
index 8b8e05f07cdb..fa11d91242e8 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1640,7 +1640,7 @@ static void unmap_vma_list(struct mm_struct *mm, struct vm_area_struct *vma)
 /*
  * Get rid of page table information in the indicated region.
  *
- * Called with the page table lock held.
+ * Called with the mm semaphore held.
  */
 static void unmap_region(struct mm_struct *mm,
 		struct vm_area_struct *vma, struct vm_area_struct *prev,