From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Ankita Garg <ankita@in.ibm.com>
Cc: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org,
Balbir Singh <balbir@linux.vnet.ibm.com>
Subject: Re: [PATCH] Fix fake numa on ppc
Date: Wed, 02 Sep 2009 15:53:43 +1000 [thread overview]
Message-ID: <1251870823.14675.420.camel@pasglop> (raw)
In-Reply-To: <20090902053653.GA3806@in.ibm.com>
On Wed, 2009-09-02 at 11:06 +0530, Ankita Garg wrote:
> > Oh! interesting.. cpuless nodes :) I think we need to fix this in the
> > longer run and distribute cpus between fake numa nodes of a real node
> > using some acceptable heuristic.
> >
>
> True. Presently this is broken on both x86 and ppc systems. It would be
> interesting to find a way to map, for example, 4 cpus to >4 number of
> fake nodes created from a single real numa node!
Since I'm pretty sure there could be CPU less nodes just like there
could be memory-less nodes, it would be good if fake numa could
simulate them too :-)
Cheers,
Ben.
next prev parent reply other threads:[~2009-09-02 5:53 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-01 5:03 [PATCH] Fix fake numa on ppc Ankita Garg
2009-09-01 5:57 ` Balbir Singh
2009-09-01 9:24 ` Ankita Garg
2009-09-01 14:27 ` Balbir Singh
2009-09-02 5:36 ` Ankita Garg
2009-09-02 5:53 ` Benjamin Herrenschmidt [this message]
2009-09-02 6:03 ` David Rientjes
2009-09-02 8:51 ` Benjamin Herrenschmidt
2009-09-02 5:58 ` David Rientjes
2009-09-02 5:52 ` Benjamin Herrenschmidt
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