From: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
To: Dave Hansen <dave@linux.vnet.ibm.com>
Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>,
Andrew Morton <akpm@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
kosaki.motohiro@gmail.com
Subject: Re: [PATCH] mm: add node physical memory range to sysfs
Date: Thu, 13 Dec 2012 10:17:49 -0500 [thread overview]
Message-ID: <50C9F19D.8060209@gmail.com> (raw)
In-Reply-To: <50C95E4A.9010509@linux.vnet.ibm.com>
(12/12/12 11:49 PM), Dave Hansen wrote:
> On 12/12/2012 06:03 PM, Davidlohr Bueso wrote:
>> On Wed, 2012-12-12 at 17:48 -0800, Dave Hansen wrote:
>>> But if we went and did it per-DIMM (showing which physical addresses and
>>> NUMA nodes a DIMM maps to), wouldn't that be redundant with this
>>> proposed interface?
>>
>> If DIMMs overlap between nodes, then we wouldn't have an exact range for
>> a node in question. Having both approaches would complement each other.
>
> How is that possible? If NUMA nodes are defined by distances from CPUs
> to memory, how could a DIMM have more than a single distance to any
> given CPU?
numa_emulation? just guess.
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next prev parent reply other threads:[~2012-12-13 15:17 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-07 22:34 [PATCH] mm: add node physical memory range to sysfs Davidlohr Bueso
2012-12-07 23:51 ` Andrew Morton
2012-12-08 0:17 ` Dave Hansen
2012-12-13 1:18 ` Davidlohr Bueso
2012-12-13 1:48 ` Dave Hansen
2012-12-13 2:03 ` Davidlohr Bueso
2012-12-13 4:49 ` Dave Hansen
2012-12-13 15:17 ` KOSAKI Motohiro [this message]
2012-12-13 23:15 ` Davidlohr Bueso
2012-12-14 0:18 ` Dave Hansen
2012-12-08 19:45 ` Greg Kroah-Hartman
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