linux-kernel - Re: [PATCH] - Allow NODES_SHIFT to be a config option on x86

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Message-ID: <20080321142648.GB31719@elte.hu>
Date:	Fri, 21 Mar 2008 15:26:49 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jack Steiner <steiner@....com>
Cc:	ak@...e.de, tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] - Allow NODES_SHIFT to be a config option on x86_64


* Jack Steiner <steiner@....com> wrote:

> Allow the maximum number of nodes in an x86_64 system to be 
> configurable. This patch does NOT change the default value but allows 
> the value to be a config option.

i've applied your patch - but i'm wondering, shouldnt we auto-scale the 
default according to max number of CPUs? (with some sensible scaling 
that happens to meet your expected large-system needs as well ;-) All 
the current manual configuration of nodes shift is ugly.

	Ingo
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