From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: David Rientjes <rientjes@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Rik van Riel <riel@redhat.com>, Paul Menage <menage@google.com>,
KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [patch -mm v2] mm: introduce oom_adj_child
Date: Mon, 3 Aug 2009 17:02:17 +0900 [thread overview]
Message-ID: <20090803170217.e98b2e46.kamezawa.hiroyu@jp.fujitsu.com> (raw)
In-Reply-To: <alpine.DEB.2.00.0908030050160.30778@chino.kir.corp.google.com>
On Mon, 3 Aug 2009 00:59:18 -0700 (PDT)
David Rientjes <rientjes@google.com> wrote:
> > > - /proc/pid/oom_score is inconsistent when the thread that set the
> > > effective per-mm oom_adj exits and it is now obsolete since you have
> > > no way to determine what the next effective oom_adj value shall be.
> > >
> > plz re-caluculate it. it's not a big job if done in lazy way.
> >
>
> You can't recalculate it if all the remaining threads have a different
> oom_adj value than the effective oom_adj value from the thread that is now
> exited.
Then, crazy google apps pass different oom_adjs to each thread ?
And, threads other than thread-group-leader modifies its oom_adj.
Hmm, interesting.
Thanks,
-Kame
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next prev parent reply other threads:[~2009-08-03 7:46 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-29 4:27 David Rientjes
2009-07-29 23:13 ` Andrew Morton
2009-07-29 23:25 ` Paul Menage
2009-07-30 2:32 ` KOSAKI Motohiro
2009-07-30 7:06 ` David Rientjes
2009-07-31 6:47 ` KOSAKI Motohiro
2009-07-31 9:31 ` David Rientjes
2009-08-03 11:58 ` KOSAKI Motohiro
2009-08-03 12:12 ` KOSAKI Motohiro
2009-07-30 9:00 ` KAMEZAWA Hiroyuki
2009-07-30 9:31 ` David Rientjes
2009-07-30 10:02 ` KAMEZAWA Hiroyuki
2009-07-30 19:05 ` David Rientjes
2009-07-31 0:33 ` KAMEZAWA Hiroyuki
2009-07-31 6:50 ` KOSAKI Motohiro
2009-07-31 19:38 ` David Rientjes
2009-08-03 12:16 ` KOSAKI Motohiro
2009-07-31 9:36 ` David Rientjes
2009-07-31 10:49 ` KAMEZAWA Hiroyuki
2009-07-31 19:18 ` David Rientjes
2009-08-01 1:10 ` KAMEZAWA Hiroyuki
2009-08-01 20:26 ` David Rientjes
2009-08-03 1:42 ` KAMEZAWA Hiroyuki
2009-08-03 7:59 ` David Rientjes
2009-08-03 8:02 ` KAMEZAWA Hiroyuki [this message]
2009-08-03 8:08 ` David Rientjes
2009-08-03 8:45 ` KAMEZAWA Hiroyuki
2009-08-03 8:55 ` KAMEZAWA Hiroyuki
2009-08-03 12:19 ` KOSAKI Motohiro
2009-08-03 12:32 ` KOSAKI Motohiro
2009-08-03 12:21 ` KOSAKI Motohiro
2009-08-03 16:17 ` Paul Menage
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