linux-kernel - Re: [RFC PATCH v2 00/15][Sorted-buddy] mm: Memory Power Management

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Date:	Thu, 18 Apr 2013 15:24:25 +0530
From:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
To:	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
CC:	akpm@...ux-foundation.org, mgorman@...e.de,
	matthew.garrett@...ula.com, dave@...1.net, rientjes@...gle.com,
	riel@...hat.com, arjan@...ux.intel.com,
	maxime.coquelin@...ricsson.com, loic.pallardy@...ricsson.com,
	kamezawa.hiroyu@...fujitsu.com, lenb@...nel.org, rjw@...k.pl,
	gargankita@...il.com, paulmck@...ux.vnet.ibm.com,
	amit.kachhap@...aro.org, svaidy@...ux.vnet.ibm.com,
	andi@...stfloor.org, wujianguo@...wei.com, kmpark@...radead.org,
	thomas.abraham@...aro.org, santosh.shilimkar@...com,
	linux-pm@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2 00/15][Sorted-buddy] mm: Memory Power Management

On 04/17/2013 10:23 PM, Srinivas Pandruvada wrote:
> On 04/09/2013 02:45 PM, Srivatsa S. Bhat wrote:
>> [I know, this cover letter is a little too long, but I wanted to clearly
>> explain the overall goals and the high-level design of this patchset in
>> detail. I hope this helps more than it annoys, and makes it easier for
>> reviewers to relate to the background and the goals of this patchset.]
>>
>>
>> Overview of Memory Power Management and its implications to the Linux MM
>> ========================================================================
>>
[...]
>>
> One thing you need to prevent is boot time allocation. You have to make
> sure that frequently accessed per node data stored at the end of memory
> will keep all ranks of memory active.
> 

I think you meant to say "... stored at the end of memory will NOT keep all
ranks of memory active".

Yep, that's a good point! I'll think about how to achieve that. Thanks!

Regards,
Srivatsa S. Bhat

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