From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Date: Wed, 11 Feb 2015 23:27:06 +0000 (-0800)
Subject: mm/compaction: more trace to understand when/why compaction start/finish
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~115^2~33
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=837d026d560c5ef26abeca0441713d82e4e82cad;p=pandora-kernel.git

mm/compaction: more trace to understand when/why compaction start/finish

It is not well analyzed that when/why compaction start/finish or not.
With these new tracepoints, we can know much more about start/finish
reason of compaction.  I can find following bug with these tracepoint.

http://www.spinics.net/lists/linux-mm/msg81582.html

Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Mel Gorman <mgorman@suse.de>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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