linux-kernel - Re: [PATCH 2/3] slub: remove unnecessary statistics, deactivate_to

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Message-ID: <alpine.DEB.2.00.1112061306510.28251@chino.kir.corp.google.com>
Date:	Tue, 6 Dec 2011 13:08:38 -0800 (PST)
From:	David Rientjes <rientjes@...gle.com>
To:	Alex Shi <alex.shi@...el.com>
cc:	cl@...ux.com, penberg@...nel.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH 2/3] slub: remove unnecessary statistics,
 deactivate_to_head/tail

On Fri, 2 Dec 2011, Alex Shi wrote:

> From: Alex Shi <alexs@...el.com>
> 
> Since the head or tail were automaticly decided in add_partial(),
> we didn't need this statistics again.
> 

Umm, we shouldn't need to remove these statistics at all: if there is 
logic in add_partial() to determine whether to add it to the head or tail, 
the stats can still be incremented there appropriately.  It would actually 
be helpful to cite those stats for your netperf benchmarking when 
determining whether patches should be merged or not.
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