| commit | 0af4e98b6b095c74588af04872f83d333c958c32 | [log] [tgz] |
|---|---|---|
| author | Andrea Arcangeli <aarcange@redhat.com> | Thu Jan 13 15:46:55 2011 -0800 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Thu Jan 13 17:32:42 2011 -0800 |
| tree | 56b1965482470219a8cf11b7e7c875ae91bff46e | |
| parent | f66055ab6fb9731dbfce320c5202ef4441b5d77f [diff] |
thp: madvise(MADV_HUGEPAGE) Add madvise MADV_HUGEPAGE to mark regions that are important to be hugepage backed. Return -EINVAL if the vma is not of an anonymous type, or the feature isn't built into the kernel. Never silently return success. Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>