]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 5a7e286) | 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)
commit0c25e3eb44abd7a3da38a838228d9ea88ca10f6d
treee49d75486f13a427edf6ea89486bb4b2298e9c2ftree | snapshot
parent5a7e2861e5b09afab1ec3afe75c063fa0bb530a0commit | 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
Linux Kernel Source Tree.