From 5b40dc780ed996162f3af8712eb03beb24dcdbef Mon Sep 17 00:00:00 2001
From: Christoph Lameter <clameter@sgi.com>
Date: Thu, 16 Mar 2006 23:04:07 -0800
Subject: [PATCH] [PATCH] fix race in pagevec_strip?

We can call try_to_release_page() with PagePrivate off and a valid
page->mapping This may cause all sorts of trouble for the filesystem
*_releasepage() handlers.  XFS bombs out in that case.

Lock the page before checking for page private.

Signed-off-by: Christoph Lameter <clameter@sgi.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Reading git-format-patch failed