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(parent: 1ddd6db) | patch
thp: madvise(MADV_NOHUGEPAGE)
authorAndrea Arcangeli <aarcange@redhat.com>
Thu, 13 Jan 2011 23:47:17 +0000 (15:47 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 14 Jan 2011 01:32:47 +0000 (17:32 -0800)
commita664b2d8555c659127bf8fe049a58449d394a707
tree14771f4ab93a9dda98174f21e0361a77e2aebfa6tree | snapshot
parent1ddd6db43a08cba56c7ee920800980862086f1c3commit | diff
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>
include/linux/huge_mm.h diff | blob | history
include/linux/khugepaged.h diff | blob | history
include/linux/mm.h diff | blob | history
mm/huge_memory.c diff | blob | history
mm/madvise.c diff | blob | history
Linux for Marvell Sheeva based platforms