From: Anton Vorontsov <anton.vorontsov@linaro.org>
To: Minchan Kim <minchan@kernel.org>
Cc: David Rientjes <rientjes@google.com>,
Pekka Enberg <penberg@kernel.org>, Mel Gorman <mgorman@suse.de>,
Glauber Costa <glommer@parallels.com>,
Michal Hocko <mhocko@suse.cz>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Luiz Capitulino <lcapitulino@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>,
Greg Thelen <gthelen@google.com>,
Leonid Moiseichuk <leonid.moiseichuk@nokia.com>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
John Stultz <john.stultz@linaro.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linaro-kernel@lists.linaro.org, patches@linaro.org,
kernel-team@android.com
Subject: Re: [PATCH 1/2] Add mempressure cgroup
Date: Thu, 10 Jan 2013 22:09:59 -0800 [thread overview]
Message-ID: <20130111060959.GA22981@lizard.gateway.2wire.net> (raw)
In-Reply-To: <20130111055614.GD6183@blaptop>
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 "released" or not.
> I assume application actually release pages but the pages would be another
> zones, NOT targetted zone from kernel. In case of that, kernel could ask
> continuously until target zone has enough free memory.
[...]
> > isolate task to only some nodes/zones, if we really care about precise
> > accounting?). But I'm surely open for ideas. :)
>
> My dumb idea is only notify to user when reclaim is triggered by
> __GFP_HIGHMEM|__GFP_MOVABLE which is most gfp_t for application memory. :)
Ah, I see. Sure, that will help a lot. I'll try to incorporate this into
the next iteration. But there are still unresolved accounting issues that
I outlined, and I don't think that they are this easy to solve. :)
Thanks!
Anton
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next prev parent reply other threads:[~2013-01-11 6:13 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-04 8:27 [PATCH 0/2] Mempressure cgroup Anton Vorontsov
2013-01-04 8:29 ` [PATCH 1/2] Add mempressure cgroup Anton Vorontsov
2013-01-04 15:05 ` Kirill A. Shutemov
2013-01-07 8:51 ` Kamezawa Hiroyuki
2013-01-08 7:29 ` Anton Vorontsov
2013-01-08 7:57 ` leonid.moiseichuk
2013-01-08 8:24 ` Kamezawa Hiroyuki
2013-01-08 8:49 ` Minchan Kim
2013-01-09 22:14 ` Anton Vorontsov
2013-01-11 5:12 ` Minchan Kim
2013-01-11 5:38 ` Anton Vorontsov
2013-01-11 5:56 ` Minchan Kim
2013-01-11 6:09 ` Anton Vorontsov [this message]
2013-01-08 21:44 ` Andrew Morton
2013-01-09 14:10 ` Glauber Costa
2013-01-09 20:28 ` Andrew Morton
2013-01-09 8:56 ` Glauber Costa
2013-01-09 9:15 ` Andrew Morton
2013-01-09 13:43 ` Glauber Costa
2013-01-09 20:37 ` Tejun Heo
2013-01-09 20:39 ` Tejun Heo
2013-01-09 21:20 ` Glauber Costa
2013-01-09 21:36 ` Anton Vorontsov
2013-01-09 21:55 ` Tejun Heo
2013-01-09 22:04 ` Tejun Heo
2013-01-09 22:06 ` Anton Vorontsov
2013-01-09 22:21 ` Tejun Heo
2013-01-10 7:18 ` Glauber Costa
2013-01-13 8:50 ` Simon Jeons
2013-01-13 8:52 ` Wanpeng Li
2013-01-13 8:52 ` Wanpeng Li
2013-01-04 8:29 ` [PATCH 2/2] Add shrinker interface for " Anton Vorontsov
2013-01-11 19:13 ` [PATCH 0/2] Mempressure cgroup Luiz Capitulino
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