From: Minchan Kim <minchan@kernel.org>
To: Hyunhee Kim <hyunhee.kim@samsung.com>
Cc: 'Michal Hocko' <mhocko@suse.cz>,
'Anton Vorontsov' <anton@enomsg.org>,
linux-mm@kvack.org, akpm@linux-foundation.org, rob@landley.net,
kamezawa.hiroyu@jp.fujitsu.com, hannes@cmpxchg.org,
rientjes@google.com, kirill@shutemov.name,
'Kyungmin Park' <kyungmin.park@samsung.com>
Subject: Re: [PATCH] memcg: add interface to specify thresholds of vmpressure
Date: Wed, 26 Jun 2013 16:39:17 +0900 [thread overview]
Message-ID: <20130626073917.GE29127@bbox> (raw)
In-Reply-To: <005801ce6f1a$f1664f90$d432eeb0$%kim@samsung.com>
On Sat, Jun 22, 2013 at 04:34:34PM +0900, Hyunhee Kim wrote:
> Memory pressure is calculated based on scanned/reclaimed ratio. The higher
> the value, the more number unsuccessful reclaims there were. These thresholds
> can be specified when each event is registered by writing it next to the
> string of level. Default value is 60 for "medium" and 95 for "critical"
>
> Signed-off-by: Hyunhee Kim <hyunhee.kim@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
As I mentioned eariler thread, it's not a good idea to expose each level's
raw value to user space. If it's a problem, please fix default vaule and
send a patch with number to convince us although I'm not sure we can get
a stable number.
--
Kind regards,
Minchan Kim
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next prev parent reply other threads:[~2013-06-26 7:39 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-17 11:30 [PATCH v3] memcg: event control at vmpressure Hyunhee Kim
2013-06-17 13:15 ` Michal Hocko
2013-06-18 6:10 ` Hyunhee Kim
2013-06-18 8:00 ` Hyunhee Kim
2013-06-18 11:01 ` Michal Hocko
2013-06-19 11:25 ` Hyunhee Kim
2013-06-19 11:59 ` Michal Hocko
2013-06-19 11:31 ` [PATCH v4] " Hyunhee Kim
2013-06-19 12:53 ` Michal Hocko
2013-06-20 2:13 ` Hyunhee Kim
2013-06-20 2:17 ` [PATCH v5] " Hyunhee Kim
2013-06-20 12:16 ` Michal Hocko
2013-06-21 0:21 ` [PATCH v6] " Hyunhee Kim
2013-06-21 0:24 ` Hyunhee Kim
2013-06-21 1:22 ` Minchan Kim
2013-06-21 9:19 ` Michal Hocko
2013-06-21 11:02 ` Hyunhee Kim
2013-06-21 11:54 ` Hyunhee Kim
2013-06-21 12:40 ` [PATCH v7] " Hyunhee Kim
2013-06-21 16:27 ` [PATCH v6] " Minchan Kim
2013-06-21 16:44 ` Minchan Kim
2013-06-22 0:27 ` Anton Vorontsov
2013-06-22 1:28 ` Hyunhee Kim
2013-06-26 7:47 ` Minchan Kim
2013-06-21 22:35 ` Anton Vorontsov
2013-06-22 4:36 ` Hyunhee Kim
2013-06-22 4:51 ` Hyunhee Kim
2013-06-22 5:50 ` [PATCH] memcg: consider "scanned < reclaimed" case when calculating Hyunhee Kim
2013-06-22 7:34 ` [PATCH] memcg: add interface to specify thresholds of vmpressure Hyunhee Kim
2013-06-25 20:46 ` Michal Hocko
2013-06-26 7:39 ` Minchan Kim [this message]
2013-06-26 7:50 ` Kyungmin Park
2013-06-26 8:03 ` Minchan Kim
2013-06-26 7:35 ` [PATCH] memcg: consider "scanned < reclaimed" case when calculating Minchan Kim
2013-06-27 6:12 ` [PATCH v2] vmpressure: consider "scanned < reclaimed" case when calculating a pressure level Hyunhee Kim
2013-06-27 9:37 ` Michal Hocko
2013-06-27 15:35 ` Minchan Kim
2013-06-27 16:11 ` Michal Hocko
2013-06-27 18:05 ` Anton Vorontsov
2013-06-28 12:17 ` Michal Hocko
2013-06-27 23:54 ` Minchan Kim
2013-06-28 7:43 ` [PATCH v3] " Hyunhee Kim
2013-06-28 12:26 ` Michal Hocko
2013-06-28 12:24 ` [PATCH v2] " Michal Hocko
2013-06-28 13:55 ` Minchan Kim
2013-06-28 15:17 ` Michal Hocko
2013-06-27 18:33 ` Anton Vorontsov
2013-06-26 7:34 ` [PATCH v6] memcg: event control at vmpressure Minchan Kim
2013-06-26 7:31 ` Minchan Kim
2013-06-25 16:07 ` Michal Hocko
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