From: James A. Sutherland <jas88@cam.ac.uk>
To: Rik van Riel <riel@conectiva.com.br>
Cc: Szabolcs Szakacsits <szaka@f-secure.com>, linux-mm@kvack.org
Subject: Re: suspend processes at load (was Re: a simple OOM ...)
Date: Thu, 19 Apr 2001 08:08:29 +0100 [thread overview]
Message-ID: <6m3tdtkpcf22j0pq28is7b7c6digfapg06@4ax.com> (raw)
In-Reply-To: <Pine.LNX.4.21.0104182311370.1685-100000@imladris.rielhome.conectiva>
On Wed, 18 Apr 2001 23:11:59 -0300 (BRST), you wrote:
>On Thu, 19 Apr 2001, Szabolcs Szakacsits wrote:
>> On Wed, 18 Apr 2001, James A. Sutherland wrote:
>> > >How you want to avoid "deadlocks" when running processes have
>> > >dependencies on suspended processes?
>> > If a process blocks waiting for another, the thrashing will be
>> > resolved.
>>
>> This is a big simplification, e.g. not if it polls [not poll(2)].
>
>If it sits there in a loop, the rest of the memory that process
>uses can be swapped out ;)
Also, if your program is busy-waiting for another to complete in that
way, you need to feed it into /dev/null and get another program :-)
James.
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next prev parent reply other threads:[~2001-04-19 7:08 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-12 16:58 [PATCH] a simple OOM killer to save me from Netscape Slats Grobnik
2001-04-12 18:25 ` Rik van Riel
2001-04-12 18:49 ` James A. Sutherland
2001-04-13 6:45 ` Eric W. Biederman
2001-04-13 16:20 ` Rik van Riel
2001-04-14 1:20 ` Stephen C. Tweedie
2001-04-16 21:06 ` James A. Sutherland
2001-04-16 21:40 ` Jonathan Morton
2001-04-16 22:12 ` Rik van Riel
2001-04-16 22:21 ` James A. Sutherland
2001-04-17 14:26 ` Jonathan Morton
2001-04-17 19:53 ` Rik van Riel
2001-04-17 20:44 ` James A. Sutherland
2001-04-17 20:59 ` Jonathan Morton
2001-04-17 21:09 ` James A. Sutherland
2001-04-14 7:00 ` Eric W. Biederman
2001-04-15 5:05 ` Rik van Riel
2001-04-15 5:20 ` Rik van Riel
2001-04-16 11:52 ` Szabolcs Szakacsits
2001-04-16 12:17 ` suspend processes at load (was Re: a simple OOM ...) Szabolcs Szakacsits
2001-04-17 19:48 ` Rik van Riel
2001-04-18 21:32 ` Szabolcs Szakacsits
2001-04-18 20:38 ` James A. Sutherland
2001-04-18 23:25 ` Szabolcs Szakacsits
2001-04-18 22:29 ` Rik van Riel
2001-04-19 10:14 ` Stephen C. Tweedie
2001-04-19 13:23 ` Szabolcs Szakacsits
2001-04-19 2:11 ` Rik van Riel
2001-04-19 7:08 ` James A. Sutherland [this message]
2001-04-19 13:37 ` Szabolcs Szakacsits
2001-04-19 12:26 ` Christoph Rohland
2001-04-19 12:30 ` James A. Sutherland
2001-04-19 9:15 ` James A. Sutherland
2001-04-19 18:34 ` Dave McCracken
2001-04-19 18:47 ` James A. Sutherland
2001-04-19 18:53 ` Dave McCracken
2001-04-19 19:10 ` James A. Sutherland
2001-04-20 14:58 ` Rik van Riel
2001-04-21 6:10 ` James A. Sutherland
2001-04-19 19:13 ` Rik van Riel
2001-04-19 19:47 ` Gerrit Huizenga
2001-04-20 12:44 ` Szabolcs Szakacsits
2001-04-19 20:06 ` James A. Sutherland
2001-04-20 12:29 ` Szabolcs Szakacsits
2001-04-20 11:50 ` Jonathan Morton
2001-04-20 13:32 ` Szabolcs Szakacsits
2001-04-20 14:30 ` Rik van Riel
2001-04-22 10:21 ` James A. Sutherland
2001-04-20 12:25 ` Szabolcs Szakacsits
2001-04-21 6:08 ` James A. Sutherland
2001-04-20 12:18 ` Szabolcs Szakacsits
2001-04-22 10:19 ` James A. Sutherland
2001-04-17 10:58 ` limit for number of processes Uman
2001-04-19 14:03 suspend processes at load (was Re: a simple OOM ...) Jonathan Morton
2001-04-19 18:25 ` Dave McCracken
2001-04-19 18:32 ` James A. Sutherland
2001-04-19 20:23 ` Jonathan Morton
2001-04-20 12:14 ` Szabolcs Szakacsits
2001-04-20 12:02 ` Jonathan Morton
2001-04-20 14:48 ` Dave McCracken
2001-04-21 5:49 ` James A. Sutherland
2001-04-21 19:16 ` Joseph A. Knapka
2001-04-21 19:41 ` Jonathan Morton
2001-04-22 10:08 ` James A. Sutherland
2001-04-22 16:53 ` Jonathan Morton
2001-04-22 17:06 ` James A. Sutherland
2001-04-22 18:18 ` Jonathan Morton
2001-04-22 18:57 ` Rik van Riel
2001-04-22 19:41 ` James A. Sutherland
2001-04-22 20:33 ` Jean Francois Martinez
2001-04-22 20:21 ` Jonathan Morton
2001-04-22 20:36 ` Jonathan Morton
2001-04-22 19:01 ` James A. Sutherland
2001-04-22 19:11 ` Rik van Riel
2001-04-22 20:36 ` James A. Sutherland
2001-04-22 19:30 ` Jonathan Morton
2001-04-22 20:35 ` James A. Sutherland
2001-04-22 20:41 ` Rik van Riel
2001-04-22 20:58 ` James A. Sutherland
2001-04-22 21:26 ` Rik van Riel
2001-04-22 22:26 ` Jonathan Morton
2001-04-23 5:55 ` James A. Sutherland
2001-04-23 5:59 ` Rik van Riel
2001-04-21 20:29 ` Rik van Riel
2001-04-22 10:08 ` James A. Sutherland
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