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From: Andi Kleen <andi@firstfloor.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andi Kleen <andi@firstfloor.org>, Ingo Molnar <mingo@elte.hu>,
	torvalds@linux-foundation.org, fengguang.wu@intel.com,
	linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [origin tree build failure] Re: [PULL] Please pull hwpoison code for 2.6.32
Date: Sat, 26 Sep 2009 20:20:43 +0200	[thread overview]
Message-ID: <20090926182043.GU30185@one.firstfloor.org> (raw)
In-Reply-To: <20090926172802.GS30185@one.firstfloor.org>

On Sat, Sep 26, 2009 at 11:15:23AM -0700, H. Peter Anvin wrote:
> We're definitely going to continue to have this problem until we decide we have hit the pain threshold either support external *zone* numbers or permit a 64-bit pageflags.

Yes I agree. I implemented a perfect hash scheme for the NUMA pfn->node
mapping a long time ago which is still there, that code could be probably
extended to support zones too. It would just make the hash slightly larger.

-Andi

  reply	other threads:[~2009-09-26 18:20 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-16 12:51 [PULL] Please pull hwpoison code for 2.6.32 Andi Kleen
2009-09-26 14:13 ` [origin tree build failure] " Ingo Molnar
2009-09-26 15:17   ` Andi Kleen
2009-09-26 16:20     ` Andi Kleen
2009-09-26 17:28       ` Andi Kleen
2009-09-26 18:20         ` Andi Kleen [this message]
2009-09-26 16:35     ` Linus Torvalds
2009-09-26 17:35       ` [PATCH] x86: Fix hwpoison code related build failure on 32-bit NUMAQ Ingo Molnar
2009-09-26 17:43         ` Linus Torvalds
2009-09-26 18:10           ` Ingo Molnar
2009-09-26 18:12             ` Ingo Molnar
2009-09-26 18:11       ` [origin tree build failure] Re: [PULL] Please pull hwpoison code for 2.6.32 Andi Kleen

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