Message-ID: <4B51F352.4040803@zytor.com>
Date: Sat, 16 Jan 2010 09:11:46 -0800
From: "H. Peter Anvin" <hpa@zytor.com>
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To: "Robert P. J. Day" <rpjday@crashcourse.ca>
CC: Sitsofe Wheeler <sitsofe@yahoo.com>,
        Yuhong Bao <yuhongbao_386@hotmail.com>,
        Linus Torvalds <torvalds@linux-foundation.org>, mingo@redhat.com,
        linux-kernel@vger.kernel.org
Subject: Re: Ubuntu 32-bit, 32-bit PAE, 64-bit Kernel Benchmarks
References: <SNT125-W41CEF6892DBE0B1FD99B4AC3780@phx.gbl> <4B511B12.6010208@zytor.com> <20100116123313.GA20059@sucs.org> <alpine.LFD.2.00.1001160753390.5650@localhost>
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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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