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Date: Tue, 06 Nov 2012 12:33:54 -0500
From: Rik van Riel <riel@redhat.com>
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Subject: Re: [PATCH 02/19] mm: migrate: Add a tracepoint for migrate_pages
References: <1352193295-26815-1-git-send-email-mgorman@suse.de> <1352193295-26815-3-git-send-email-mgorman@suse.de>
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To: Mel Gorman <mgorman@suse.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>, Andrea Arcangeli <aarcange@redhat.com>, Ingo Molnar <mingo@kernel.org>, Johannes Weiner <hannes@cmpxchg.org>, Hugh Dickins <hughd@google.com>, Thomas Gleixner <tglx@linutronix.de>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>, Linux-MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>

On 11/06/2012 04:14 AM, Mel Gorman wrote:
> 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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