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Date: Fri, 4 Jan 2002 12:09:56 +0000 (GMT)
From: Hugh Dickins <hugh@veritas.com>
To: Rik van Riel <riel@conectiva.com.br>
cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
        Harald Holzer <harald.holzer@eunet.at>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "Timothy D. Witham" <wookie@osdl.org>
Subject: Re: i686 SMP systems with more then 12 GB ram with 2.4.x kernel ?
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On Thu, 3 Jan 2002, Rik van Riel wrote:
> On Thu, 3 Jan 2002, Alan Cox wrote:
> > A lot of it is the page structs (64bytes per page - which really
> > should be nearer the 32 some rival Unix OS's achieve on x86)
> 
> The 2.4 kernel has the page struct at 52 bytes in size,
> William Lee Irwin and I have brought this down to 36.

Please restate those numbers, Rik: I share Alan's belief that the
current standard 2.4 kernel has page struct at 64 bytes in size.

Hugh

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