From: "Vedran Furač" <vedran.furac@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
rientjes@google.com, minchan.kim@gmail.com,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"balbir@linux.vnet.ibm.com" <balbir@linux.vnet.ibm.com>
Subject: Re: [PATCH v3] oom-kill: add lowmem usage aware oom kill handling
Date: Fri, 29 Jan 2010 01:25:18 +0100 [thread overview]
Message-ID: <4B622AEE.3080906@gmail.com> (raw)
In-Reply-To: <20100128001636.2026a6bc@lxorguk.ukuu.org.uk>
Alan Cox wrote:
> Am I missing something fundamental here ?
Yes, the fact linux mm currently sucks. How else would you explain
possibility of killing random (often root owned) processes using a 5
lines program started by an ordinary user? Killed process could be an
apache web server or X server on a desktop. I demonstrated this flaw few
months ago here and only Kame tried to find a way to fix it but
encountered noncooperation.
I don't know what to say, really. Sad... Actually funny, when you know
that competition OS, often ridiculed by linux users, doesn't suffer any
consequences when that same 5 line program is run.
Regards,
Vedran
--
http://vedranf.net | a8e7a7783ca0d460fee090cc584adc12
WARNING: multiple messages have this Message-ID (diff)
From: "Vedran Furač" <vedran.furac@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Andrew Morton <akpm@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
rientjes@google.com, minchan.kim@gmail.com,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"balbir@linux.vnet.ibm.com" <balbir@linux.vnet.ibm.com>
Subject: Re: [PATCH v3] oom-kill: add lowmem usage aware oom kill handling
Date: Fri, 29 Jan 2010 01:25:18 +0100 [thread overview]
Message-ID: <4B622AEE.3080906@gmail.com> (raw)
In-Reply-To: <20100128001636.2026a6bc@lxorguk.ukuu.org.uk>
Alan Cox wrote:
> Am I missing something fundamental here ?
Yes, the fact linux mm currently sucks. How else would you explain
possibility of killing random (often root owned) processes using a 5
lines program started by an ordinary user? Killed process could be an
apache web server or X server on a desktop. I demonstrated this flaw few
months ago here and only Kame tried to find a way to fix it but
encountered noncooperation.
I don't know what to say, really. Sad... Actually funny, when you know
that competition OS, often ridiculed by linux users, doesn't suffer any
consequences when that same 5 line program is run.
Regards,
Vedran
--
http://vedranf.net | a8e7a7783ca0d460fee090cc584adc12
--
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next prev parent reply other threads:[~2010-01-29 0:25 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-21 5:59 [PATCH] oom-kill: add lowmem usage aware oom kill handling KAMEZAWA Hiroyuki
2010-01-21 5:59 ` KAMEZAWA Hiroyuki
2010-01-21 15:18 ` Minchan Kim
2010-01-21 15:18 ` Minchan Kim
2010-01-21 23:48 ` KAMEZAWA Hiroyuki
2010-01-21 23:48 ` KAMEZAWA Hiroyuki
2010-01-22 0:40 ` Minchan Kim
2010-01-22 0:40 ` Minchan Kim
2010-01-22 1:06 ` KAMEZAWA Hiroyuki
2010-01-22 1:06 ` KAMEZAWA Hiroyuki
2010-01-21 15:29 ` Balbir Singh
2010-01-21 15:29 ` Balbir Singh
2010-01-21 23:54 ` KAMEZAWA Hiroyuki
2010-01-21 23:54 ` KAMEZAWA Hiroyuki
2010-01-22 6:23 ` [PATCH v2] " KAMEZAWA Hiroyuki
2010-01-22 6:23 ` KAMEZAWA Hiroyuki
2010-01-22 14:00 ` Minchan Kim
2010-01-22 14:00 ` Minchan Kim
2010-01-22 15:16 ` KAMEZAWA Hiroyuki
2010-01-22 15:16 ` KAMEZAWA Hiroyuki
2010-01-22 15:41 ` Minchan Kim
2010-01-22 15:41 ` Minchan Kim
2010-01-25 6:15 ` [PATCH v3] " KAMEZAWA Hiroyuki
2010-01-25 6:15 ` KAMEZAWA Hiroyuki
2010-01-26 23:12 ` Andrew Morton
2010-01-26 23:12 ` Andrew Morton
2010-01-26 23:53 ` KAMEZAWA Hiroyuki
2010-01-26 23:53 ` KAMEZAWA Hiroyuki
2010-01-27 0:19 ` Andrew Morton
2010-01-27 0:19 ` Andrew Morton
2010-01-27 0:58 ` KAMEZAWA Hiroyuki
2010-01-27 0:58 ` KAMEZAWA Hiroyuki
2010-01-27 6:30 ` [PATCH v4 0/2] " KAMEZAWA Hiroyuki
2010-01-27 6:30 ` KAMEZAWA Hiroyuki
2010-01-27 6:32 ` [PATCH v4 1/2] sysctl clean up vm related variable declarations KAMEZAWA Hiroyuki
2010-01-27 6:32 ` KAMEZAWA Hiroyuki
2010-01-28 8:54 ` David Rientjes
2010-01-28 8:54 ` David Rientjes
2010-01-28 10:30 ` KAMEZAWA Hiroyuki
2010-01-28 10:30 ` KAMEZAWA Hiroyuki
2010-01-27 6:33 ` [PATCH v4 2/2] oom-kill: add lowmem usage aware oom kill handling v4 KAMEZAWA Hiroyuki
2010-01-27 6:33 ` KAMEZAWA Hiroyuki
2010-01-28 0:12 ` [PATCH v4 0/2] oom-kill: add lowmem usage aware oom kill handling KAMEZAWA Hiroyuki
2010-01-28 0:12 ` KAMEZAWA Hiroyuki
2010-01-27 23:56 ` [PATCH v3] " David Rientjes
2010-01-27 23:56 ` David Rientjes
2010-01-28 0:16 ` Alan Cox
2010-01-28 0:16 ` Alan Cox
2010-01-28 0:26 ` KAMEZAWA Hiroyuki
2010-01-28 0:26 ` KAMEZAWA Hiroyuki
2010-01-28 0:59 ` David Rientjes
2010-01-28 0:59 ` David Rientjes
2010-01-29 0:25 ` Vedran Furač [this message]
2010-01-29 0:25 ` Vedran Furač
2010-01-29 0:35 ` Alan Cox
2010-01-29 0:35 ` Alan Cox
2010-01-29 0:57 ` Vedran Furač
2010-01-29 0:57 ` Vedran Furač
2010-01-29 11:03 ` Alan Cox
2010-01-29 11:03 ` Alan Cox
2010-01-30 12:33 ` Vedran Furač
2010-01-30 12:59 ` Alan Cox
2010-01-30 12:59 ` Alan Cox
2010-01-30 17:30 ` Vedran Furač
2010-01-30 17:45 ` Alan Cox
2010-01-30 17:45 ` Alan Cox
2010-01-30 18:17 ` Vedran Furač
2010-01-27 23:46 ` David Rientjes
2010-01-27 23:46 ` David Rientjes
2010-01-26 23:16 ` Andrew Morton
2010-01-26 23:16 ` Andrew Morton
2010-01-26 23:44 ` KAMEZAWA Hiroyuki
2010-01-26 23:44 ` KAMEZAWA Hiroyuki
2010-01-27 23:40 ` David Rientjes
2010-01-27 23:40 ` David Rientjes
-- strict thread matches above, loose matches on Subject: below --
2010-01-29 16:11 KAMEZAWA Hiroyuki
2010-01-29 16:11 ` KAMEZAWA Hiroyuki
2010-01-29 16:21 ` Alan Cox
2010-01-29 16:21 ` Alan Cox
2010-01-29 16:25 ` KAMEZAWA Hiroyuki
2010-01-29 16:25 ` KAMEZAWA Hiroyuki
2010-01-29 16:30 ` Alan Cox
2010-01-29 16:30 ` Alan Cox
2010-01-29 16:41 ` KAMEZAWA Hiroyuki
2010-01-29 16:41 ` KAMEZAWA Hiroyuki
2010-01-29 21:07 ` David Rientjes
2010-01-29 21:07 ` David Rientjes
2010-01-30 12:46 ` Vedran Furač
2010-01-30 22:53 ` David Rientjes
2010-01-30 22:53 ` David Rientjes
2010-01-31 20:29 ` Vedran Furač
2010-02-01 10:33 ` David Rientjes
2010-02-01 10:33 ` David Rientjes
2010-02-01 0:01 ` KAMEZAWA Hiroyuki
2010-02-01 0:01 ` KAMEZAWA Hiroyuki
2010-02-01 10:28 ` David Rientjes
2010-02-01 10:28 ` David Rientjes
2010-01-29 21:11 ` David Rientjes
2010-01-29 21:11 ` David Rientjes
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