From: Mel Gorman <mgorman@suse.de>
Date: Thu, 9 Oct 2014 22:29:36 +0000 (-0700)
Subject: mm: mempolicy: skip inaccessible VMAs when setting MPOL_MF_LAZY
X-Git-Tag: omap-for-v3.19/prcm-cleanup~134^2~24
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c0346a36cc8ac6cb85ab585964590974c84bdf0;p=pandora-kernel.git

mm: mempolicy: skip inaccessible VMAs when setting MPOL_MF_LAZY

PROT_NUMA VMAs are skipped to avoid problems distinguishing between
present, prot_none and special entries.  MPOL_MF_LAZY is not visible from
userspace since commit a720094ded8c ("mm: mempolicy: Hide MPOL_NOOP and
MPOL_MF_LAZY from userspace for now") but it should still skip VMAs the
same way task_numa_work does.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Hugh Dickins <hughd@google.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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