linux-kernel - Re: Ubuntu 32-bit, 32-bit PAE, 64-bit Kernel Benchmarks

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Message-ID: <4B51F352.4040803@zytor.com>
Date:	Sat, 16 Jan 2010 09:11:46 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Robert P. J. Day" <rpjday@...shcourse.ca>
CC:	Sitsofe Wheeler <sitsofe@...oo.com>,
	Yuhong Bao <yuhongbao_386@...mail.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	mingo@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: Ubuntu 32-bit, 32-bit PAE, 64-bit Kernel Benchmarks

On 01/16/2010 04:57 AM, Robert P. J. Day wrote:
> 
>   actually, it's 896M, not 892M, and i believe it's defined in
> arch/x86/mm/init_32.c:
> 

You also lose an additional small chunk for the fixmap, in addition to
the vmalloc area.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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