From: Jörn Engel <joern@logfs.org>
Date: Mon, 8 Jul 2013 23:00:26 +0000 (-0700)
Subject: mmap: allow MAP_HUGETLB for hugetlbfs files v2
X-Git-Tag: v3.11-rc1~67^2~70
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=493af578040e690f93f0fc8d9e7667ffff8155bb;p=pandora-kernel.git

mmap: allow MAP_HUGETLB for hugetlbfs files v2

It is counterintuitive at best that mmap'ing a hugetlbfs file with
MAP_HUGETLB fails, while mmap'ing it without will a) succeed and b)
return huge pages.

v2: use is_file_hugepages(), as suggested by Jianguo

Signed-off-by: Joern Engel <joern@logfs.org>
Cc: Jianguo Wu <wujianguo@huawei.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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