From: Mel Gorman <mgorman@suse.de>
Date: Fri, 19 Oct 2012 13:07:31 +0000 (+0100)
Subject: mm: migrate: Add a tracepoint for migrate_pages
X-Git-Tag: v3.8-rc1~92^2~40
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b2a2d4a18fffac3c4872021529b0657896db788;p=pandora-kernel.git

mm: migrate: Add a tracepoint for migrate_pages

The pgmigrate_success and pgmigrate_fail vmstat counters tells the user
about migration activity but not the type or the reason. This patch adds
a tracepoint to identify the type of page migration and why the page is
being migrated.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
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