Hi Dave,
Thanks long explanation.
Secondly, You misparsed avoid direct reclaim paragraph. We don't talk
about avoid direct reclaim even if system memory is no enough, We talk
about avoid direct reclaim by preparing before.
I don't think I misparsed it. I am addressing the avoid direct
On Fri, Apr 01, 2011 at 10:17:56PM +0900, KOSAKI Motohiro wrote:
But, I agree that now we have to concern slightly large VM change
parhaps
(or parhaps not). Ok, it's good opportunity to fill out some thing.
Historically, Linux MM has free memory are waste memory policy, and It
Hm. OK, I may misread.
Can you please explain the reason why de-duplication feature need to
selectable and
disabled by defaut. explicity enable mean this feature want to spot
corner case issue??
Yes, because given a selection of choices (including what you
mentioned
On Fri, 1 Apr 2011, KOSAKI Motohiro wrote:
On Thu, 31 Mar 2011, KOSAKI Motohiro wrote:
1) zone reclaim doesn't work if the system has multiple node and the
workload is file cache oriented (eg file server, web server, mail
server, et al).
because zone recliam make
On Sat, 2 Apr 2011, Dave Chinner wrote:
Fundamentally, if you just switch off memory reclaim to avoid the
latencies involved with direct memory reclaim, then all you'll get
instead is ENOMEM because there's no memory available and none will be
reclaimed. That's even more fatal for the system
On Sun, 3 Apr 2011, KOSAKI Motohiro wrote:
1) Some bios don't have such knob. btw, OK, yes, *I* can switch NUMA off
completely
because I don't have such bios. 2) bios level turning off makes some side
effects,
example, scheduler load balancing don't care numa anymore.
Well then lets add a
On Sun, Apr 03, 2011 at 06:32:16PM +0900, KOSAKI Motohiro wrote:
On Fri, Apr 01, 2011 at 10:17:56PM +0900, KOSAKI Motohiro wrote:
But, I agree that now we have to concern slightly large VM change
parhaps
(or parhaps not). Ok, it's good opportunity to fill out some thing.
Hi
1) zone reclaim doesn't work if the system has multiple node and the
workload is file cache oriented (eg file server, web server, mail
server, et al).
because zone recliam make some much free pages than zone-pages_min and
then new page cache request consume nearest node
* KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com [2011-04-01 16:56:57]:
Hi
1) zone reclaim doesn't work if the system has multiple node and the
workload is file cache oriented (eg file server, web server, mail
server, et al).
because zone recliam make some much free pages
Hi Christoph,
Thanks, long explanation.
On Thu, 31 Mar 2011, KOSAKI Motohiro wrote:
1) zone reclaim doesn't work if the system has multiple node and the
workload is file cache oriented (eg file server, web server, mail
server, et al).
because zone recliam make some much free
* KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com [2011-04-01 16:56:57]:
Hi
1) zone reclaim doesn't work if the system has multiple node and the
workload is file cache oriented (eg file server, web server, mail
server, et al).
because zone recliam make some much free
On Fri, 1 Apr 2011, KOSAKI Motohiro wrote:
On Thu, 31 Mar 2011, KOSAKI Motohiro wrote:
1) zone reclaim doesn't work if the system has multiple node and the
workload is file cache oriented (eg file server, web server, mail
server, et al).
because zone recliam make some much
* Andrew Morton a...@linux-foundation.org [2011-03-30 22:32:31]:
On Thu, 31 Mar 2011 10:57:03 +0530 Balbir Singh bal...@linux.vnet.ibm.com
wrote:
* Andrew Morton a...@linux-foundation.org [2011-03-30 16:36:07]:
On Wed, 30 Mar 2011 11:00:26 +0530
Balbir Singh
* KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com [2011-04-01 22:21:26]:
* KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com [2011-04-01 16:56:57]:
Hi
1) zone reclaim doesn't work if the system has multiple node and the
workload is file cache oriented (eg file server, web
On 04/01/2011 09:17 AM, KOSAKI Motohiro wrote:
Hi Christoph,
Thanks, long explanation.
On Thu, 31 Mar 2011, KOSAKI Motohiro wrote:
1) zone reclaim doesn't work if the system has multiple node and the
workload is file cache oriented (eg file server, web server, mail
server, et al).
On Fri, Apr 01, 2011 at 10:17:56PM +0900, KOSAKI Motohiro wrote:
But, I agree that now we have to concern slightly large VM change parhaps
(or parhaps not). Ok, it's good opportunity to fill out some thing.
Historically, Linux MM has free memory are waste memory policy, and It
worked
* KOSAKI Motohiro kosaki.motoh...@jp.fujitsu.com [2011-03-31 14:40:33]:
The following series implements page cache control,
this is a split out version of patch 1 of version 3 of the
page cache optimization patches posted earlier at
Previous posting http://lwn.net/Articles/425851/ and
On Thu, 31 Mar 2011, KOSAKI Motohiro wrote:
1) zone reclaim doesn't work if the system has multiple node and the
workload is file cache oriented (eg file server, web server, mail server,
et al).
because zone recliam make some much free pages than zone-pages_min and
then new page
On Wed, Mar 30, 2011 at 11:00:26AM +0530, Balbir Singh wrote:
The following series implements page cache control,
this is a split out version of patch 1 of version 3 of the
page cache optimization patches posted earlier at
Previous posting http://lwn.net/Articles/425851/ and analysis
at
On Wed, Mar 30, 2011 at 11:00:26AM +0530, Balbir Singh wrote:
The following series implements page cache control,
this is a split out version of patch 1 of version 3 of the
page cache optimization patches posted earlier at
Previous posting http://lwn.net/Articles/425851/ and analysis
* Dave Chinner da...@fromorbit.com [2011-04-01 08:40:33]:
On Wed, Mar 30, 2011 at 11:00:26AM +0530, Balbir Singh wrote:
The following series implements page cache control,
this is a split out version of patch 1 of version 3 of the
page cache optimization patches posted earlier at
On Fri, Apr 01, 2011 at 08:38:11AM +0530, Balbir Singh wrote:
* Dave Chinner da...@fromorbit.com [2011-04-01 08:40:33]:
On Wed, Mar 30, 2011 at 11:00:26AM +0530, Balbir Singh wrote:
The following series implements page cache control,
this is a split out version of patch 1 of version
On Wed, 30 Mar 2011 11:00:26 +0530
Balbir Singh bal...@linux.vnet.ibm.com wrote:
Data from the previous patchsets can be found at
https://lkml.org/lkml/2010/11/30/79
It would be nice if the data for the current patchset was present in
the current patchset's changelog!
--
To unsubscribe from
* Andrew Morton a...@linux-foundation.org [2011-03-30 16:36:07]:
On Wed, 30 Mar 2011 11:00:26 +0530
Balbir Singh bal...@linux.vnet.ibm.com wrote:
Data from the previous patchsets can be found at
https://lkml.org/lkml/2010/11/30/79
It would be nice if the data for the current patchset
On Thu, 31 Mar 2011 10:57:03 +0530 Balbir Singh bal...@linux.vnet.ibm.com
wrote:
* Andrew Morton a...@linux-foundation.org [2011-03-30 16:36:07]:
On Wed, 30 Mar 2011 11:00:26 +0530
Balbir Singh bal...@linux.vnet.ibm.com wrote:
Data from the previous patchsets can be found at
The following series implements page cache control,
this is a split out version of patch 1 of version 3 of the
page cache optimization patches posted earlier at
Previous posting http://lwn.net/Articles/425851/ and analysis
at http://lwn.net/Articles/419713/
Detailed Description
The following series implements page cache control,
this is a split out version of patch 1 of version 3 of the
page cache optimization patches posted earlier at
Previous posting http://lwn.net/Articles/425851/ and analysis
at http://lwn.net/Articles/419713/
Detailed Description
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