On Tue, Jun 04, 2019 at 08:02:05AM +0900, Minchan Kim wrote:
> Hi Johannes,
>
> On Mon, Jun 03, 2019 at 05:50:59PM -0400, Johannes Weiner wrote:
> > On Mon, Jun 03, 2019 at 10:32:30PM +0200, Michal Hocko wrote:
> > > On Mon 03-06-19 13:27:17, Johannes Weiner wrote:
> > > > On Mon, Jun 03, 2019 at
On Tue 04-06-19 13:26:51, Minchan Kim wrote:
> On Mon, Jun 03, 2019 at 09:16:07AM +0200, Michal Hocko wrote:
[...]
> > Right. But there is still the page cache reclaim. Is it expected that
> > an explicitly cold memory doesn't get reclaimed because we have a
> > sufficient amount of page cache (a
On Tue 04-06-19 08:02:05, Minchan Kim wrote:
> Hi Johannes,
>
> On Mon, Jun 03, 2019 at 05:50:59PM -0400, Johannes Weiner wrote:
> > On Mon, Jun 03, 2019 at 10:32:30PM +0200, Michal Hocko wrote:
> > > On Mon 03-06-19 13:27:17, Johannes Weiner wrote:
> > > > On Mon, Jun 03, 2019 at 09:16:07AM
On Mon 03-06-19 17:50:59, Johannes Weiner wrote:
> On Mon, Jun 03, 2019 at 10:32:30PM +0200, Michal Hocko wrote:
> > On Mon 03-06-19 13:27:17, Johannes Weiner wrote:
> > > On Mon, Jun 03, 2019 at 09:16:07AM +0200, Michal Hocko wrote:
> > > > On Fri 31-05-19 23:34:07, Minchan Kim wrote:
> > > > >
On Mon, Jun 03, 2019 at 09:16:07AM +0200, Michal Hocko wrote:
> On Fri 31-05-19 23:34:07, Minchan Kim wrote:
> > On Fri, May 31, 2019 at 04:03:32PM +0200, Michal Hocko wrote:
> > > On Fri 31-05-19 22:39:04, Minchan Kim wrote:
> > > > On Fri, May 31, 2019 at 10:47:52AM +0200, Michal Hocko wrote:
>
Hi Johannes,
On Mon, Jun 03, 2019 at 05:50:59PM -0400, Johannes Weiner wrote:
> On Mon, Jun 03, 2019 at 10:32:30PM +0200, Michal Hocko wrote:
> > On Mon 03-06-19 13:27:17, Johannes Weiner wrote:
> > > On Mon, Jun 03, 2019 at 09:16:07AM +0200, Michal Hocko wrote:
> > > > On Fri 31-05-19 23:34:07,
On Mon, Jun 03, 2019 at 10:32:30PM +0200, Michal Hocko wrote:
> On Mon 03-06-19 13:27:17, Johannes Weiner wrote:
> > On Mon, Jun 03, 2019 at 09:16:07AM +0200, Michal Hocko wrote:
> > > On Fri 31-05-19 23:34:07, Minchan Kim wrote:
> > > > On Fri, May 31, 2019 at 04:03:32PM +0200, Michal Hocko
On Mon 03-06-19 13:27:17, Johannes Weiner wrote:
> On Mon, Jun 03, 2019 at 09:16:07AM +0200, Michal Hocko wrote:
> > On Fri 31-05-19 23:34:07, Minchan Kim wrote:
> > > On Fri, May 31, 2019 at 04:03:32PM +0200, Michal Hocko wrote:
> > > > On Fri 31-05-19 22:39:04, Minchan Kim wrote:
> > > > > On
On Mon, Jun 03, 2019 at 09:16:07AM +0200, Michal Hocko wrote:
> On Fri 31-05-19 23:34:07, Minchan Kim wrote:
> > On Fri, May 31, 2019 at 04:03:32PM +0200, Michal Hocko wrote:
> > > On Fri 31-05-19 22:39:04, Minchan Kim wrote:
> > > > On Fri, May 31, 2019 at 10:47:52AM +0200, Michal Hocko wrote:
>
On Mon, Jun 3, 2019 at 12:16 AM Michal Hocko wrote:
> On Fri 31-05-19 23:34:07, Minchan Kim wrote:
> > On Fri, May 31, 2019 at 04:03:32PM +0200, Michal Hocko wrote:
> > > On Fri 31-05-19 22:39:04, Minchan Kim wrote:
> > > > On Fri, May 31, 2019 at 10:47:52AM +0200, Michal Hocko wrote:
> > > > >
On Fri 31-05-19 23:34:07, Minchan Kim wrote:
> On Fri, May 31, 2019 at 04:03:32PM +0200, Michal Hocko wrote:
> > On Fri 31-05-19 22:39:04, Minchan Kim wrote:
> > > On Fri, May 31, 2019 at 10:47:52AM +0200, Michal Hocko wrote:
> > > > On Fri 31-05-19 15:43:08, Minchan Kim wrote:
> > > > > When a
On Fri, May 31, 2019 at 04:03:32PM +0200, Michal Hocko wrote:
> On Fri 31-05-19 22:39:04, Minchan Kim wrote:
> > On Fri, May 31, 2019 at 10:47:52AM +0200, Michal Hocko wrote:
> > > On Fri 31-05-19 15:43:08, Minchan Kim wrote:
> > > > When a process expects no accesses to a certain memory range, it
On Fri 31-05-19 22:39:04, Minchan Kim wrote:
> On Fri, May 31, 2019 at 10:47:52AM +0200, Michal Hocko wrote:
> > On Fri 31-05-19 15:43:08, Minchan Kim wrote:
> > > When a process expects no accesses to a certain memory range, it could
> > > give a hint to kernel that the pages can be reclaimed
On Fri, May 31, 2019 at 10:47:52AM +0200, Michal Hocko wrote:
> On Fri 31-05-19 15:43:08, Minchan Kim wrote:
> > When a process expects no accesses to a certain memory range, it could
> > give a hint to kernel that the pages can be reclaimed when memory pressure
> > happens but data should be
On Fri 31-05-19 15:43:08, Minchan Kim wrote:
> When a process expects no accesses to a certain memory range, it could
> give a hint to kernel that the pages can be reclaimed when memory pressure
> happens but data should be preserved for future use. This could reduce
> workingset eviction so it
When a process expects no accesses to a certain memory range, it could
give a hint to kernel that the pages can be reclaimed when memory pressure
happens but data should be preserved for future use. This could reduce
workingset eviction so it ends up increasing performance.
This patch introduces
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