linux-kernel - Re: [RFC PATCH] mm: handle simple case in free_pcppages

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Message-ID: <1297345993.1449.10.camel@leonhard>
Date:	Thu, 10 Feb 2011 22:53:13 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Minchan Kim <minchan.kim@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Mel Gorman <mel@....ul.ie>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] mm: handle simple case in free_pcppages_bulk()

2011-02-10 (목), 22:38 +0900, Minchan Kim:
> > Hmm.. How about adding unlikely() then? Doesn't it help much here?
> 
> Yes. It would help but I am not sure how much it is.
> AFAIR, when Mel submit the patch, he tried to prove the effectiveness
> with some experiment and profiler.
> I think if you want it really, we might need some number.
> I am not sure it's worth.
> 

OK. Thanks for the comments. :)

And it would be really great if you (or somebody) told me how could I
make the numbers on my desktop.


-- 
Regards,
Namhyung Kim


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