From: Christoph Lameter <clameter@sgi.com>
Date: Fri, 17 Mar 2006 07:04:07 +0000 (-0800)
Subject: [PATCH] fix race in pagevec_strip?
X-Git-Tag: v2.6.16~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b40dc780ed996162f3af8712eb03beb24dcdbef;p=pandora-kernel.git

[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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