From: Dave Hansen <dave@linux.vnet.ibm.com>
Date: Thu, 12 Jun 2008 22:21:48 +0000 (-0700)
Subject: pagemap: fix large pages in pagemap
X-Git-Tag: v2.6.26-rc7~49
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bcf8039ed45f56013c4afea5520bca7d909e5e61;p=pandora-kernel.git

pagemap: fix large pages in pagemap

We were walking right into huge page areas in the pagemap walker, and
calling the pmds pmd_bad() and clearing them.

That leaked huge pages.  Bad.

This patch at least works around that for now.  It ignores huge pages in
the pagemap walker for the time being, and won't leak those pages.

Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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