tree 56b1965482470219a8cf11b7e7c875ae91bff46e
parent f66055ab6fb9731dbfce320c5202ef4441b5d77f
author Andrea Arcangeli <aarcange@redhat.com> 1294962415 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1294968762 -0800

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>