linux-kernel - Re: quicklists confuse meminfo

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Message-ID: <87myp68r88.fsf@basil.nowhere.org>
Date:	10 Mar 2008 17:43:19 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Christoph Lameter <clameter@....com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Bart Van Assche <bart.vanassche@...il.com>
Subject: Re: quicklists confuse meminfo

Christoph Lameter <clameter@....com> writes:
> 
> Zeroed pages however will not address the issue of having initialized pgd 
> (which seems to be what i386 needs).

pgd is tiny on i386 PAE (4 * 16 bytes). Are you sure reinitializing that
is a serious issue? For i386 non PAE (and x86-64) it is just a normal 4k
page.

-Andi
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