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Re: [PATCH] updated version of radix-tree pagecache

To: William Lee Irwin III <wli@holomorphy.com>,Peter W?chtler <pwaechtler@loewe-komp.de>,Christoph Hellwig <hch@caldera.de>, linux-mm@kvack.org,lkml <linux-kernel@vger.kernel.org>, velco@fadata.bg
Subject: Re: [PATCH] updated version of radix-tree pagecache
From: Pavel Machek <pavel@suse.cz>
Date: Fri, 11 Jan 2002 23:21:10 +0000
Fake-Sender: owner-linux-mm@kvack.org
In-Reply-To: <20020107030344.H10391@holomorphy.com>; from wli@holomorphy.com on Mon, Jan 07, 2002 at 03:03:44AM -0800
Original-Recipient: rfc822;linux-mm-archive@humbolt.geo.uu.nl
References: <20020105171234.A25383@caldera.de> <3C3972D4.56F4A1E2@loewe-komp.de> <20020107030344.H10391@holomorphy.com>
Sender: Rik van Riel <riel@nl.linux.org>

Hi!

> I speculate this would be good for small systems as well as it reduces
> the size of struct page by 2*sizeof(unsigned long) bytes, allowing more
> incremental allocation of pagecache metadata. I haven't tried it on my
> smaller systems yet (due to lack of disk space and needing to build the
> cross-toolchains), though I'm now curious as to its exact behavior there.

Why not mem=8M, nosmp on your "big" system?
								Pavel

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details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.

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References:
- [PATCH] updated version of radix-tree pagecache
  - From: Christoph Hellwig <hch@caldera.de>
- Re: [PATCH] updated version of radix-tree pagecache
  - From: Peter Wächtler <pwaechtler@loewe-komp.de>
- Re: [PATCH] updated version of radix-tree pagecache
  - From: William Lee Irwin III <wli@holomorphy.com>

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