From: David Rientjes <rientjes@google.com>
Date: Thu, 3 Apr 2014 21:47:23 +0000 (-0700)
Subject: mm, compaction: ignore pageblock skip when manually invoking compaction
X-Git-Tag: v3.15-rc1~106^2~180
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=91ca9186484809c57303b33778d841cc28f696ed;p=pandora-kernel.git

mm, compaction: ignore pageblock skip when manually invoking compaction

The cached pageblock hint should be ignored when triggering compaction
through /proc/sys/vm/compact_memory so all eligible memory is isolated.
Manually invoking compaction is known to be expensive, there's no need
to skip pageblocks based on heuristics (mainly for debugging).

Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

Reading git-diff-tree failed