linux-kernel - Re: No, really, stop trying to delete slab until you've finished making slub perform as well

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Message-ID: <2f11576a0808130805s6963e2a4mbb82ad7221cf80a2@mail.gmail.com>
Date:	Thu, 14 Aug 2008 00:05:54 +0900
From:	"KOSAKI Motohiro" <kosaki.motohiro@...fujitsu.com>
To:	"Christoph Lameter" <cl@...ux-foundation.org>
Cc:	"Matthew Wilcox" <matthew@....cx>,
	"Pekka Enberg" <penberg@...helsinki.fi>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	"Mel Gorman" <mel@...net.ie>, andi@...stfloor.org,
	"Rik van Riel" <riel@...hat.com>
Subject: Re: No, really, stop trying to delete slab until you've finished making slub perform as well

> 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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