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Date:	Thu, 10 Jul 2014 08:01:20 -0400
From:	Johannes Weiner <>
To:	Mel Gorman <>
Cc:	Andrew Morton <>,
	Linux Kernel <>,
	Linux-MM <>,
	Linux-FSDevel <>
Subject: Re: [PATCH 1/6] mm: pagemap: Avoid unnecessary overhead when
 tracepoints are deactivated

On Wed, Jul 09, 2014 at 09:13:03AM +0100, Mel Gorman wrote:
> The LRU insertion and activate tracepoints take PFN as a parameter forcing
> the overhead to the caller.  Move the overhead to the tracepoint fast-assign
> method to ensure the cost is only incurred when the tracepoint is active.
> Signed-off-by: Mel Gorman <>

Acked-by: Johannes Weiner <>
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