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 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
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
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
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
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
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
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
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
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
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
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 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
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
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
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
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.
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.
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
>
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
>
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