On Fri 10-03-17 14:07:16, Mel Gorman wrote:
> On Thu, Mar 09, 2017 at 05:46:16PM -0600, Zi Yan wrote:
[...]
> > I understand your concern on CPU utilization impact. I think checking
> > CPU utilization and only using idle CPUs could potentially avoid this
> > problem.
> >
>
> That will be costly
On Thu, Mar 09, 2017 at 05:46:16PM -0600, Zi Yan wrote:
> Hi Mel,
>
> Thanks for pointing out the problems in this patchset.
>
> It was my intern project done in NVIDIA last summer. I only used
> micro-benchmarks to demonstrate the big memory bandwidth utilization gap
> between base page migratio
On Thu 09-03-17 15:09:04, Mel Gorman wrote:
> On Wed, Mar 08, 2017 at 09:34:27PM +0530, Anshuman Khandual wrote:
> > > Any comments, suggestions are welcome.
> >
> > Hello Vlastimil/Michal/Minchan/Mel/Dave,
> >
> > Apart from the comments from Naoya on a different thread posted by Zi
> > Yan, I d
Hi Mel,
Thanks for pointing out the problems in this patchset.
It was my intern project done in NVIDIA last summer. I only used
micro-benchmarks to demonstrate the big memory bandwidth utilization gap
between base page migration and THP migration along with serialized page
migration vs parallel p
On Thu, Mar 09, 2017 at 11:38:00AM -0600, David Nellans wrote:
> On 03/09/2017 09:09 AM, Mel Gorman wrote:
> > I didn't look into the patches in detail except to get a general feel
> > for how it works and I'm not convinced that it's a good idea at all.
> >
> > I accept that memory bandwidth utilis
On 03/09/2017 09:09 AM, Mel Gorman wrote:
> I didn't look into the patches in detail except to get a general feel
> for how it works and I'm not convinced that it's a good idea at all.
>
> I accept that memory bandwidth utilisation may be higher as a result but
> consider the impact. THP migrations
On Wed, Mar 08, 2017 at 09:34:27PM +0530, Anshuman Khandual wrote:
> > Any comments, suggestions are welcome.
>
> Hello Vlastimil/Michal/Minchan/Mel/Dave,
>
> Apart from the comments from Naoya on a different thread posted by Zi
> Yan, I did not get any more review comments on this series. Could
On 02/17/2017 04:54 PM, Anshuman Khandual wrote:
> This patch series is base on the work posted by Zi Yan back in
> November 2016 (https://lkml.org/lkml/2016/11/22/457) but includes some
> amount clean up and re-organization. This series depends on THP migration
> optimization patch series po
On 22/02/17 16:55, Anshuman Khandual wrote:
> On 02/22/2017 10:34 AM, Balbir Singh wrote:
>> On Fri, Feb 17, 2017 at 04:54:47PM +0530, Anshuman Khandual wrote:
>>> This patch series is base on the work posted by Zi Yan back in
>>> November 2016 (https://lkml.org/lkml/2016/11/22/457) but inclu
On 02/22/2017 10:34 AM, Balbir Singh wrote:
> On Fri, Feb 17, 2017 at 04:54:47PM +0530, Anshuman Khandual wrote:
>> This patch series is base on the work posted by Zi Yan back in
>> November 2016 (https://lkml.org/lkml/2016/11/22/457) but includes some
>> amount clean up and re-organization. T
On Fri, Feb 17, 2017 at 04:54:47PM +0530, Anshuman Khandual wrote:
> This patch series is base on the work posted by Zi Yan back in
> November 2016 (https://lkml.org/lkml/2016/11/22/457) but includes some
> amount clean up and re-organization. This series depends on THP migration
> optimizati
This patch series is base on the work posted by Zi Yan back in
November 2016 (https://lkml.org/lkml/2016/11/22/457) but includes some
amount clean up and re-organization. This series depends on THP migration
optimization patch series posted by Naoya Horiguchi on 8th November 2016
(https://l
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