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Message-ID: <2f11576a0808130805s6963e2a4mbb82ad7221cf80a2@mail.gmail.com>
Date: Thu, 14 Aug 2008 00:05:54 +0900
From: "KOSAKI Motohiro" <kosaki.motohiro@jp.fujitsu.com>
To: "Christoph Lameter" <cl@linux-foundation.org>
Subject: Re: No, really, stop trying to delete slab until you've finished making slub perform as well
Cc: "Matthew Wilcox" <matthew@wil.cx>, "Pekka Enberg" <penberg@cs.helsinki.fi>,
       akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
       linux-fsdevel@vger.kernel.org, "Mel Gorman" <mel@skynet.ie>,
       andi@firstfloor.org, "Rik van Riel" <riel@redhat.com>
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> Yes but running with this patch would allow us to verify that we understand
> what is causing the problem. There are other solutions like skipping to the
> next partial slab on the list that could fix performance issues that the patch
> may cause. A test will give us:
>
> 1. Confirmation that the memory use is caused by the trylock.
>
> 2. Some performance numbers. If these show a regression then we have some
> markers that we can measure other solutions against.

okey.
I will confirm its patch at next week.

(unfortunately, my company don't business in rest this week)

Thanks.
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