tree 14771f4ab93a9dda98174f21e0361a77e2aebfa6
parent 1ddd6db43a08cba56c7ee920800980862086f1c3
author Andrea Arcangeli <aarcange@redhat.com> 1294962437 -0800
committer Linus Torvalds <torvalds@linux-foundation.org> 1294968767 -0800

thp: madvise(MADV_NOHUGEPAGE)

Add madvise MADV_NOHUGEPAGE to mark regions that are not 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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>