linux-kernel - Re: [RFC] Reverting NUMA-affine page table allocation

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Message-ID: <20110301083017.GD26074@htj.dyndns.org>
Date:	Tue, 1 Mar 2011 09:30:17 +0100
From:	Tejun Heo <tj@...nel.org>
To:	Ingo Molnar <mingo@...hat.com>, "H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Yinghai Lu <yinghai@...nel.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [RFC] Reverting NUMA-affine page table allocation

On Sat, Feb 26, 2011 at 03:37:30PM +0100, Tejun Heo wrote:
> I'd like to revert NUMA-affine page table allocation for now and come
> back to it in the next devel cycle.  Thanks to the memblock top-down
> change, the RED-PEN condition (page table ending up in DMA memory)
> doesn't exist with or without NUMA affine allocation and the only
> downside of reverting would be page tables allocated in foreign nodes
> on machines which don't support 1GiB mapping.
> 
> What do you think?

If there's no objection, I'll revert it later today and ask Ingo to
pull it.

Thanks.

-- 
tejun
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