On 2019-01-10 00:26, Andrew Morton wrote:
On Wed, 09 Jan 2019 16:36:36 +0530 Arun KS
wrote:
On 2019-01-09 16:27, Michal Hocko wrote:
> On Wed 09-01-19 16:12:48, Arun KS wrote:
> [...]
>> It will be called once per online of a section and the arg value is
>> always
>> set to 0 while entering
On 2019-01-09 21:39, Alexander Duyck wrote:
On Wed, 2019-01-09 at 11:51 +0530, Arun KS wrote:
On 2019-01-09 03:47, Alexander Duyck wrote:
> On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
> > When freeing pages are done with higher order, time spent on
> > coalescing
> > pages by buddy
On Wed, 09 Jan 2019 16:36:36 +0530 Arun KS wrote:
> On 2019-01-09 16:27, Michal Hocko wrote:
> > On Wed 09-01-19 16:12:48, Arun KS wrote:
> > [...]
> >> It will be called once per online of a section and the arg value is
> >> always
> >> set to 0 while entering online_pages_range.
> >
> > You
On Wed, 2019-01-09 at 11:51 +0530, Arun KS wrote:
> On 2019-01-09 03:47, Alexander Duyck wrote:
> > On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
> > > When freeing pages are done with higher order, time spent on
> > > coalescing
> > > pages by buddy allocator can be reduced. With section
On 2019-01-09 16:27, Michal Hocko wrote:
On Wed 09-01-19 16:12:48, Arun KS wrote:
[...]
It will be called once per online of a section and the arg value is
always
set to 0 while entering online_pages_range.
You rare right that this will be the case in the most simple scenario.
But the point
On Wed 09-01-19 16:12:48, Arun KS wrote:
[...]
> It will be called once per online of a section and the arg value is always
> set to 0 while entering online_pages_range.
You rare right that this will be the case in the most simple scenario.
But the point is that the callback can be called several
On 2019-01-09 14:10, Michal Hocko wrote:
On Wed 09-01-19 13:58:50, Arun KS wrote:
On 2019-01-09 13:07, Michal Hocko wrote:
> On Wed 09-01-19 11:28:52, Arun KS wrote:
> > On 2019-01-08 23:43, Michal Hocko wrote:
> > > On Tue 08-01-19 09:56:09, Alexander Duyck wrote:
> > > > On Fri, 2019-01-04 at
On Wed 09-01-19 13:58:50, Arun KS wrote:
> On 2019-01-09 13:07, Michal Hocko wrote:
> > On Wed 09-01-19 11:28:52, Arun KS wrote:
> > > On 2019-01-08 23:43, Michal Hocko wrote:
> > > > On Tue 08-01-19 09:56:09, Alexander Duyck wrote:
> > > > > On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
> > >
On 2019-01-09 13:07, Michal Hocko wrote:
On Wed 09-01-19 11:28:52, Arun KS wrote:
On 2019-01-08 23:43, Michal Hocko wrote:
> On Tue 08-01-19 09:56:09, Alexander Duyck wrote:
> > On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
> [...]
> > > static int online_pages_range(unsigned long
On Wed 09-01-19 11:28:52, Arun KS wrote:
> On 2019-01-08 23:43, Michal Hocko wrote:
> > On Tue 08-01-19 09:56:09, Alexander Duyck wrote:
> > > On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
> > [...]
> > > > static int online_pages_range(unsigned long start_pfn, unsigned long
> > > >
On 2019-01-09 03:47, Alexander Duyck wrote:
On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
When freeing pages are done with higher order, time spent on
coalescing
pages by buddy allocator can be reduced. With section size of 256MB,
hot
add latency of a single section shows improvement from
On 2019-01-08 23:43, Michal Hocko wrote:
On Tue 08-01-19 09:56:09, Alexander Duyck wrote:
On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
[...]
> static int online_pages_range(unsigned long start_pfn, unsigned long
nr_pages,
>void *arg)
> {
> - unsigned long i;
>
On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
> When freeing pages are done with higher order, time spent on coalescing
> pages by buddy allocator can be reduced. With section size of 256MB, hot
> add latency of a single section shows improvement from 50-60 ms to less
> than 1 ms, hence
On Tue, 2019-01-08 at 21:04 +0100, Michal Hocko wrote:
> On Tue 08-01-19 10:40:18, Alexander Duyck wrote:
> > On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
> > > When freeing pages are done with higher order, time spent on coalescing
> > > pages by buddy allocator can be reduced. With section
On Tue 08-01-19 10:40:18, Alexander Duyck wrote:
> On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
> > When freeing pages are done with higher order, time spent on coalescing
> > pages by buddy allocator can be reduced. With section size of 256MB, hot
> > add latency of a single section shows
On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
> When freeing pages are done with higher order, time spent on coalescing
> pages by buddy allocator can be reduced. With section size of 256MB, hot
> add latency of a single section shows improvement from 50-60 ms to less
> than 1 ms, hence
On Tue 08-01-19 09:56:09, Alexander Duyck wrote:
> On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
[...]
> > static int online_pages_range(unsigned long start_pfn, unsigned long
> > nr_pages,
> > void *arg)
> > {
> > - unsigned long i;
> > unsigned long onlined_pages
On Fri, 2019-01-04 at 10:31 +0530, Arun KS wrote:
> When freeing pages are done with higher order, time spent on coalescing
> pages by buddy allocator can be reduced. With section size of 256MB, hot
> add latency of a single section shows improvement from 50-60 ms to less
> than 1 ms, hence
When freeing pages are done with higher order, time spent on coalescing
pages by buddy allocator can be reduced. With section size of 256MB, hot
add latency of a single section shows improvement from 50-60 ms to less
than 1 ms, hence improving the hot add latency by 60 times. Modify
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