From: Toshinobu Sugioka <sugioka@itonet.co.jp>
Date: Mon, 20 Apr 2009 22:34:53 +0000 (+0900)
Subject: sh: Fix mmap2 for handling differing PAGE_SIZEs.
X-Git-Tag: v2.6.30-rc3~34^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8c31813f31cd4403b46802866949a95a6e8fa584;p=pandora-kernel.git

sh: Fix mmap2 for handling differing PAGE_SIZEs.

mmap2 uses a fixed page shift of 12, regardless of the PAGE_SIZE setting.
Fix up the mmap2 code to add some sanity checks on the mapping, and to
update pgoff accordingly.

Error handling bits based on 4280e3126f641898f0ed1a931645373d3489e2a6
("frv: fix mmap2 error handling").

Signed-off-by: Toshinobu Sugioka <sugioka@itonet.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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