From: "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>
To: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: akpm@linux-foundation.org, mgorman@suse.de,
matthew.garrett@nebula.com, dave@sr71.net, rientjes@google.com,
riel@redhat.com, arjan@linux.intel.com,
maxime.coquelin@stericsson.com, loic.pallardy@stericsson.com,
kamezawa.hiroyu@jp.fujitsu.com, lenb@kernel.org, rjw@sisk.pl,
gargankita@gmail.com, paulmck@linux.vnet.ibm.com,
amit.kachhap@linaro.org, svaidy@linux.vnet.ibm.com,
andi@firstfloor.org, wujianguo@huawei.com, kmpark@infradead.org,
thomas.abraham@linaro.org, santosh.shilimkar@ti.com,
linux-pm@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v2 00/15][Sorted-buddy] mm: Memory Power Management
Date: Thu, 18 Apr 2013 15:24:25 +0530 [thread overview]
Message-ID: <516FC2D1.9020809@linux.vnet.ibm.com> (raw)
In-Reply-To: <516ED378.2000406@linux.intel.com>
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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next prev parent reply other threads:[~2013-04-18 9:57 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-09 21:45 [RFC PATCH v2 00/15][Sorted-buddy] mm: Memory Power Management Srivatsa S. Bhat
2013-04-09 21:45 ` [RFC PATCH v2 01/15] mm: Introduce memory regions data-structure to capture region boundaries within nodes Srivatsa S. Bhat
2013-04-09 21:46 ` [RFC PATCH v2 02/15] mm: Initialize node memory regions during boot Srivatsa S. Bhat
2013-04-09 21:46 ` [RFC PATCH v2 03/15] mm: Introduce and initialize zone memory regions Srivatsa S. Bhat
2013-04-09 21:46 ` [RFC PATCH v2 04/15] mm: Add helpers to retrieve node region and zone region for a given page Srivatsa S. Bhat
2013-04-09 21:46 ` [RFC PATCH v2 05/15] mm: Add data-structures to describe memory regions within the zones' freelists Srivatsa S. Bhat
2013-04-09 21:47 ` [RFC PATCH v2 06/15] mm: Demarcate and maintain pageblocks in region-order in " Srivatsa S. Bhat
2013-04-09 21:47 ` [RFC PATCH v2 07/15] mm: Add an optimized version of del_from_freelist to keep page allocation fast Srivatsa S. Bhat
2013-04-09 21:47 ` [RFC PATCH v2 08/15] bitops: Document the difference in indexing between fls() and __fls() Srivatsa S. Bhat
2013-04-09 21:47 ` [RFC PATCH v2 09/15] mm: A new optimized O(log n) sorting algo to speed up buddy-sorting Srivatsa S. Bhat
2013-04-09 21:47 ` [RFC PATCH v2 10/15] mm: Add support to accurately track per-memory-region allocation Srivatsa S. Bhat
2013-04-09 21:48 ` [RFC PATCH v2 11/15] mm: Restructure the compaction part of CMA for wider use Srivatsa S. Bhat
2013-04-09 21:48 ` [RFC PATCH v2 12/15] mm: Add infrastructure to evacuate memory regions using compaction Srivatsa S. Bhat
2013-04-09 21:48 ` [RFC PATCH v2 13/15] mm: Implement the worker function for memory region compaction Srivatsa S. Bhat
2013-04-09 21:48 ` [RFC PATCH v2 14/15] mm: Add alloc-free handshake to trigger " Srivatsa S. Bhat
2013-04-10 23:26 ` Cody P Schafer
2013-04-16 13:49 ` Srivatsa S. Bhat
2013-04-09 21:49 ` [RFC PATCH v2 15/15] mm: Print memory region statistics to understand the buddy allocator behavior Srivatsa S. Bhat
2013-04-17 16:53 ` [RFC PATCH v2 00/15][Sorted-buddy] mm: Memory Power Management Srinivas Pandruvada
2013-04-18 9:54 ` Srivatsa S. Bhat [this message]
2013-04-18 15:13 ` Srinivas Pandruvada
2013-04-19 8:11 ` Srivatsa S. Bhat
2013-04-18 17:10 ` Dave Hansen
2013-04-19 6:50 ` Srivatsa S. Bhat
2013-04-25 17:57 ` Srivatsa S. Bhat
2013-04-19 5:34 ` Simon Jeons
2013-04-19 7:12 ` Srivatsa S. Bhat
2013-04-19 15:26 ` Srinivas Pandruvada
2013-05-28 20:08 ` Phillip Susi
2013-05-29 5:36 ` Srivatsa S. Bhat
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