| commit | 493af578040e690f93f0fc8d9e7667ffff8155bb | |
| author | Jörn Engel <joern@logfs.org> | |
| Mon, 8 Jul 2013 23:00:26 +0000 (8 16:00 -0700) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Tue, 9 Jul 2013 17:33:24 +0000 (9 10:33 -0700) | ||
| tree | e49d75486f13a427edf6ea89486bb4b2298e9c2f | treesnapshot (tar.gz zip) |
| parent | 918fc718c5922520c499ad60f61b8df86b998ae9 | commitdiff |
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>
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 | diffblobblamehistory |