From: Mel Gorman <mgorman@suse.de>
Date: Tue, 21 Jan 2014 23:51:01 +0000 (-0800)
Subject: mm: numa: trace tasks that fail migration due to rate limiting
X-Git-Tag: v3.14-rc1~134^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=af1839d722c986ffeaae1e70a6ef1c75ff38dcd5;p=pandora-kernel.git

mm: numa: trace tasks that fail migration due to rate limiting

A low local/remote numa hinting fault ratio is potentially explained by
failed migrations.  This patch adds a tracepoint that fires when
migration fails due to migration rate limitation.

Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Alex Thorlton <athorlton@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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