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(parent: 918fc71) | patch
mmap: allow MAP_HUGETLB for hugetlbfs files v2
authorJörn Engel <joern@logfs.org>
Mon, 8 Jul 2013 23:00:26 +0000 (16:00 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 9 Jul 2013 17:33:24 +0000 (10:33 -0700)
commit493af578040e690f93f0fc8d9e7667ffff8155bb
treee49d75486f13a427edf6ea89486bb4b2298e9c2ftree | snapshot
parent918fc718c5922520c499ad60f61b8df86b998ae9commit | diff
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>
mm/mmap.c diff | blob | history
Domain: SCM / Uncategorized;