From: Jack Steiner <steiner@sgi.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: ak@suse.de, tglx@linutronix.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] - Allow NODES_SHIFT to be a config option on x86_64
Date: Fri, 21 Mar 2008 09:54:03 -0500 [thread overview]
Message-ID: <20080321145401.GA10303@sgi.com> (raw)
In-Reply-To: <20080321142648.GB31719@elte.hu>
On Fri, Mar 21, 2008 at 03:26:49PM +0100, Ingo Molnar wrote:
>
> * Jack Steiner <steiner@sgi.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.
I would prefer to auto-scale, too, but our hardware platform allows
too many options to make it easy. The current system configs will support
from 0 to 32 cpus per node (some nodes have memory only).
However, I'm open to suggestions if you have any ideas....
--- jack
next prev parent reply other threads:[~2008-03-21 14:54 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-21 13:34 [PATCH] - Allow NODES_SHIFT to be a config option on x86_64 Jack Steiner
2008-03-21 14:26 ` Ingo Molnar
2008-03-21 14:54 ` Jack Steiner [this message]
2008-03-21 14:57 ` Ingo Molnar
2008-03-21 15:23 ` Jack Steiner
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