linux-kernel - Re: [PATCH 01/10] x86: Change size of APICIDs from u8 to u16

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Message-ID: <Pine.LNX.4.64.0801141116160.7891@schroedinger.engr.sgi.com>
Date:	Mon, 14 Jan 2008 11:16:56 -0800 (PST)
From:	Christoph Lameter <clameter@....com>
To:	Mike Travis <travis@....com>
cc:	Jan Engelhardt <jengelh@...putergmbh.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andi Kleen <ak@...e.de>, mingo@...e.hu,
	Jack Steiner <steiner@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/10] x86: Change size of APICIDs from u8 to u16

On Mon, 14 Jan 2008, Mike Travis wrote:

> I see the mistake in the node array.  But AFAICT, pxm is the proximity
> between nodes and cannot be expressed as greater than the number of
> nodes, yes?  (Or can it be arbitrarily expressed where 32 bits is
> necessary?)  I ask this because the real node_to_pxm_map is already
> 32 bits.

Well I think local variables that contain a node can be int without a 
problem because that is what the core used to store node ids.

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