linux-kernel - Re: [PATCH 2/3] x86: add numa_move_cpus_to

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Message-ID: <86802c440905141358p1274e389q135e0d766f02cb21@mail.gmail.com>
Date:	Thu, 14 May 2009 13:58:51 -0700
From:	Yinghai Lu <yhlu.kernel@...il.com>
To:	Christoph Lameter <cl@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Pekka Enberg <penberg@...helsinki.fi>
Subject: Re: [PATCH 2/3] x86: add numa_move_cpus_to_node

On Thu, May 14, 2009 at 12:34 PM, Christoph Lameter
<cl@...ux-foundation.org> wrote:
> On Tue, 12 May 2009, Yinghai Lu wrote:
>
>> so i recored this OK as one Reviewed-by or Acked-by ?
>
> Well why do we need this functionality in the kernel if offlining and
> onlining the cpu again will properly allocate the kernel metadata?

ok, you are right, for x86 64 bit, srat_detect_node will call
numa_set_node when online the cpu again.

we don't this patch.

YH
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