On Fri, 2013-01-04 at 00:29 -0800, Anton Vorontsov wrote:
> This commit implements David Rientjes' idea of mempressure cgroup.
>
> The main characteristics are the same to what I've tried to add to vmevent
> API; internally, it uses Mel Gorman's idea of scanned/reclaimed ratio for
> pressure index
On Fri, Jan 11, 2013 at 02:56:15PM +0900, Minchan Kim wrote:
[...]
> > Ahh. You're talking about the shrinker interface. Yes, there is no way to
> > tell if the freed memory will be actually "released" (and if not, then
> > yes, we released it unnecessary).
>
> I don't tell about actually "release
On Thu, Jan 10, 2013 at 09:38:31PM -0800, Anton Vorontsov wrote:
> On Fri, Jan 11, 2013 at 02:12:10PM +0900, Minchan Kim wrote:
> > On Wed, Jan 09, 2013 at 02:14:49PM -0800, Anton Vorontsov wrote:
> > > On Tue, Jan 08, 2013 at 05:49:49PM +0900, Minchan Kim wrote:
> > > [...]
> > > > Sorry still I d
On Fri, Jan 11, 2013 at 02:12:10PM +0900, Minchan Kim wrote:
> On Wed, Jan 09, 2013 at 02:14:49PM -0800, Anton Vorontsov wrote:
> > On Tue, Jan 08, 2013 at 05:49:49PM +0900, Minchan Kim wrote:
> > [...]
> > > Sorry still I didn't look at your implementation about cgroup part.
> > > but I had a ques
On Wed, Jan 09, 2013 at 02:14:49PM -0800, Anton Vorontsov wrote:
> On Tue, Jan 08, 2013 at 05:49:49PM +0900, Minchan Kim wrote:
> [...]
> > Sorry still I didn't look at your implementation about cgroup part.
> > but I had a question since long time ago.
> >
> > How can we can make sure false posit
On 01/10/2013 02:06 AM, Anton Vorontsov wrote:
> On Wed, Jan 09, 2013 at 01:55:14PM -0800, Tejun Heo wrote:
> [...]
>>> We can use mempressure w/o memcg, and even then it can (or should :) be
>>> useful (for cpuset, for example).
>>
>> The problem is that you end with, at the very least, duplicate
Hello, Anton.
On Wed, Jan 09, 2013 at 02:06:41PM -0800, Anton Vorontsov wrote:
> Yeah. I started answering your comments about hierarchical accounting,
> looked into the memcg code, and realized that *this* is where I need the
> memcg stuff. :)
Yay, I wasn't completely clueless.
> Thus yes, I gu
On Tue, Jan 08, 2013 at 05:49:49PM +0900, Minchan Kim wrote:
[...]
> Sorry still I didn't look at your implementation about cgroup part.
> but I had a question since long time ago.
>
> How can we can make sure false positive about zone and NUMA?
> I mean DMA zone is short in system so VM notify to
On Wed, Jan 09, 2013 at 01:55:14PM -0800, Tejun Heo wrote:
[...]
> > We can use mempressure w/o memcg, and even then it can (or should :) be
> > useful (for cpuset, for example).
>
> The problem is that you end with, at the very least, duplicate
> hierarchical accounting mechanisms which overlap w
On Wed, Jan 09, 2013 at 01:55:14PM -0800, Tejun Heo wrote:
> Please talk with memcg people and fold it into memcg. It can (and
> should) be done in a way to not incur overhead when only root memcg is
> in use and how this is done defines userland-visible interface, so
> let's please not repeat pas
Hello, Anton.
On Wed, Jan 09, 2013 at 01:36:04PM -0800, Anton Vorontsov wrote:
> On Thu, Jan 10, 2013 at 01:20:30AM +0400, Glauber Costa wrote:
> [...]
> > Given the above, I believe that ideally we should use this pressure
> > mechanism in memcg replacing the current memcg notification mechanism.
On Thu, Jan 10, 2013 at 01:20:30AM +0400, Glauber Costa wrote:
[...]
> Given the above, I believe that ideally we should use this pressure
> mechanism in memcg replacing the current memcg notification mechanism.
Just a quick wonder: why would we need to place it into memcg, when we
don't need any
On 01/10/2013 12:37 AM, Tejun Heo wrote:
> Hello,
>
> Can you please cc me too when posting further patches? I kinda missed
> the whole discussion upto this point.
>
> On Fri, Jan 04, 2013 at 12:29:11AM -0800, Anton Vorontsov wrote:
>> This commit implements David Rientjes' idea of mempressure c
On Wed, Jan 09, 2013 at 12:37:31PM -0800, Tejun Heo wrote:
> Hello,
>
> Can you please cc me too when posting further patches? I kinda missed
> the whole discussion upto this point.
>
> On Fri, Jan 04, 2013 at 12:29:11AM -0800, Anton Vorontsov wrote:
> > This commit implements David Rientjes' id
Hello,
Can you please cc me too when posting further patches? I kinda missed
the whole discussion upto this point.
On Fri, Jan 04, 2013 at 12:29:11AM -0800, Anton Vorontsov wrote:
> This commit implements David Rientjes' idea of mempressure cgroup.
>
> The main characteristics are the same to w
On Wed, 9 Jan 2013 18:10:02 +0400
Glauber Costa wrote:
> On 01/09/2013 01:44 AM, Andrew Morton wrote:
> > On Fri, 4 Jan 2013 00:29:11 -0800
> > Anton Vorontsov wrote:
> >
> >> This commit implements David Rientjes' idea of mempressure cgroup.
> >>
> >> The main characteristics are the same to
On 01/09/2013 01:44 AM, Andrew Morton wrote:
> On Fri, 4 Jan 2013 00:29:11 -0800
> Anton Vorontsov wrote:
>
>> This commit implements David Rientjes' idea of mempressure cgroup.
>>
>> The main characteristics are the same to what I've tried to add to vmevent
>> API; internally, it uses Mel Gorma
On 01/09/2013 01:15 PM, Andrew Morton wrote:
> On Wed, 9 Jan 2013 12:56:46 +0400 Glauber Costa wrote:
>
>>> +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_MEMPRESSURE)
>>> +SUBSYS(mpc_cgroup)
>>> +#endif
>>
>> It might be just me, but if one does not know what this is about, "mpc"
>> immediately fetches so
On Wed, 9 Jan 2013 12:56:46 +0400 Glauber Costa wrote:
> > +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_MEMPRESSURE)
> > +SUBSYS(mpc_cgroup)
> > +#endif
>
> It might be just me, but if one does not know what this is about, "mpc"
> immediately fetches something communication-related to mind. I would
> su
Hi.
I have a couple of small questions.
On 01/04/2013 12:29 PM, Anton Vorontsov wrote:
> This commit implements David Rientjes' idea of mempressure cgroup.
>
> The main characteristics are the same to what I've tried to add to vmevent
> API; internally, it uses Mel Gorman's idea of scanned/recla
-Original Message-
From: ext Anton Vorontsov [mailto:anton.voront...@linaro.org]
Sent: 08 January, 2013 08:30
...
> > +static const uint vmpressure_level_med = 60;
> > +static const uint vmpressure_level_oom = 99;
> > +static const uint vmpressure_level_oom_prio = 4;
> > +
..
Seems vmpress
On Fri, 4 Jan 2013 00:29:11 -0800
Anton Vorontsov wrote:
> This commit implements David Rientjes' idea of mempressure cgroup.
>
> The main characteristics are the same to what I've tried to add to vmevent
> API; internally, it uses Mel Gorman's idea of scanned/reclaimed ratio for
> pressure ind
Hi Anton,
On Fri, Jan 04, 2013 at 12:29:11AM -0800, Anton Vorontsov wrote:
> This commit implements David Rientjes' idea of mempressure cgroup.
>
> The main characteristics are the same to what I've tried to add to vmevent
> API; internally, it uses Mel Gorman's idea of scanned/reclaimed ratio fo
(2013/01/08 16:29), Anton Vorontsov wrote:
On Mon, Jan 07, 2013 at 05:51:46PM +0900, Kamezawa Hiroyuki wrote:
[...]
I'm just curious..
Thanks for taking a look! :)
[...]
+/*
+ * The window size is the number of scanned pages before we try to analyze
+ * the scanned/reclaimed ratio (or differ
On Mon, Jan 07, 2013 at 05:51:46PM +0900, Kamezawa Hiroyuki wrote:
[...]
> I'm just curious..
Thanks for taking a look! :)
[...]
> > +/*
> > + * The window size is the number of scanned pages before we try to analyze
> > + * the scanned/reclaimed ratio (or difference).
> > + *
> > + * It is used
(2013/01/04 17:29), Anton Vorontsov wrote:
> This commit implements David Rientjes' idea of mempressure cgroup.
>
> The main characteristics are the same to what I've tried to add to vmevent
> API; internally, it uses Mel Gorman's idea of scanned/reclaimed ratio for
> pressure index calculation. B
On Fri, Jan 04, 2013 at 12:29:11AM -0800, Anton Vorontsov wrote:
> This commit implements David Rientjes' idea of mempressure cgroup.
>
> The main characteristics are the same to what I've tried to add to vmevent
> API; internally, it uses Mel Gorman's idea of scanned/reclaimed ratio for
> pressur
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