From 493af578040e690f93f0fc8d9e7667ffff8155bb Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=B6rn=20Engel?= <joern@logfs.org>
Date: Mon, 8 Jul 2013 16:00:26 -0700
Subject: [PATCH] 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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Reading git-format-patch failed