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Re: Misleading OOM messages
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From: Christoph Lameter
Subject:
Re: Misleading OOM messages
Date: Friday, May 15, 2009 - 2:15 pm
On Fri, 15 May 2009, Pavel Machek wrote:
quoted text
> > Nope. If you have too little memory for your app then the kernel pages > > portions of the app out to disk. Thats is why you have a VM (VIRTUAL > > machine). The app is not running with physical memory. > > Try running your machine with mem=8M, then tell me how virtual memory > works.
Well that is of course not enough memory. And you intentionally screwed up your setup.
quoted text
> If you have *way* too little RAM, you OOM. (Kernel data is > unswappable. Task struct is 8KB. At some point it breaks).
I do not see anyone doubting that this is the case. --
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Messages in current thread:
[patch 01/11 -mmotm] lowmemorykiller: Only iterate over pr ...
, David Rientjes
, (Sun May 10, 3:07 pm)
[patch 02/11 -mmotm] lowmemorykiller: Don't count free spa ...
, David Rientjes
, (Sun May 10, 3:07 pm)
[patch 03/11 -mmotm] oom: cleanup android low memory killer
, David Rientjes
, (Sun May 10, 3:07 pm)
[patch 04/11 -mmotm] oom: fix possible android low memory ...
, David Rientjes
, (Sun May 10, 3:07 pm)
[patch 05/11 -mmotm] oom: fix possible oom_dump_tasks NULL ...
, David Rientjes
, (Sun May 10, 3:07 pm)
[patch 06/11 -mmotm] oom: move oom_adj value from task_str ...
, David Rientjes
, (Sun May 10, 3:07 pm)
[patch 07/11 -mmotm] oom: prevent possible OOM_DISABLE liv ...
, David Rientjes
, (Sun May 10, 3:07 pm)
[patch 08/11 -mmotm] oom: invoke oom killer for __GFP_NOFAIL
, David Rientjes
, (Sun May 10, 3:07 pm)
[patch 09/11 -mmotm] oom: return vm size of oom killed task
, David Rientjes
, (Sun May 10, 3:07 pm)
[patch 10/11 -mmotm] oom: avoid oom kill if no interruptib ...
, David Rientjes
, (Sun May 10, 3:07 pm)
[patch 11/11 -mmotm] oom: fail allocations if oom killer c ...
, David Rientjes
, (Sun May 10, 3:07 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, KOSAKI Motohiro
, (Sun May 10, 4:59 pm)
Re: [patch 06/11 -mmotm] oom: move oom_adj value from task ...
, KOSAKI Motohiro
, (Sun May 10, 5:17 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, David Rientjes
, (Sun May 10, 5:24 pm)
Re: [patch 06/11 -mmotm] oom: move oom_adj value from task ...
, David Rientjes
, (Sun May 10, 5:26 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, KOSAKI Motohiro
, (Sun May 10, 6:45 pm)
Re: [patch 06/11 -mmotm] oom: move oom_adj value from task ...
, KOSAKI Motohiro
, (Sun May 10, 6:47 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, Minchan Kim
, (Mon May 11, 12:40 am)
Re: [patch 06/11 -mmotm] oom: move oom_adj value from task ...
, David Rientjes
, (Mon May 11, 1:43 am)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, David Rientjes
, (Mon May 11, 1:45 am)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, David Rientjes
, (Mon May 11, 1:49 am)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, Minchan Kim
, (Mon May 11, 4:23 am)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, Dave Hansen
, (Mon May 11, 9:03 am)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, David Rientjes
, (Mon May 11, 12:09 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, Dave Hansen
, (Mon May 11, 12:45 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, David Rientjes
, (Mon May 11, 1:21 pm)
Re: [patch 05/11 -mmotm] oom: fix possible oom_dump_tasks ...
, Andrew Morton
, (Mon May 11, 2:11 pm)
Re: [patch 06/11 -mmotm] oom: move oom_adj value from task ...
, Andrew Morton
, (Mon May 11, 2:19 pm)
Re: [patch 07/11 -mmotm] oom: prevent possible OOM_DISABLE ...
, Andrew Morton
, (Mon May 11, 2:22 pm)
Re: [patch 05/11 -mmotm] oom: fix possible oom_dump_tasks ...
, David Rientjes
, (Mon May 11, 2:28 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, Andrew Morton
, (Mon May 11, 2:29 pm)
Re: [patch 09/11 -mmotm] oom: return vm size of oom killed ...
, Andrew Morton
, (Mon May 11, 2:36 pm)
Re: [patch 10/11 -mmotm] oom: avoid oom kill if no interru ...
, Andrew Morton
, (Mon May 11, 2:39 pm)
Re: [patch 05/11 -mmotm] oom: fix possible oom_dump_tasks ...
, Greg KH
, (Mon May 11, 2:41 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, David Rientjes
, (Mon May 11, 2:45 pm)
Re: [patch 05/11 -mmotm] oom: fix possible oom_dump_tasks ...
, David Rientjes
, (Mon May 11, 3:05 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, Andrew Morton
, (Mon May 11, 3:11 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, David Rientjes
, (Mon May 11, 3:31 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, Andrew Morton
, (Mon May 11, 3:46 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, David Rientjes
, (Mon May 11, 4:00 pm)
Re: [patch 10/11 -mmotm] oom: avoid oom kill if no interru ...
, David Rientjes
, (Mon May 11, 4:08 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, Andrew Morton
, (Mon May 11, 4:14 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, David Rientjes
, (Mon May 11, 4:37 pm)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, Peter Zijlstra
, (Mon May 11, 10:39 pm)
Re: [patch 01/11 -mmotm] lowmemorykiller: Only iterate ove ...
, Mel Gorman
, (Tue May 12, 2:09 am)
Re: [patch 02/11 -mmotm] lowmemorykiller: Don't count free ...
, Mel Gorman
, (Tue May 12, 2:23 am)
Re: [patch 05/11 -mmotm] oom: fix possible oom_dump_tasks ...
, Mel Gorman
, (Tue May 12, 2:38 am)
Re: [patch 06/11 -mmotm] oom: move oom_adj value from task ...
, Mel Gorman
, (Tue May 12, 2:56 am)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, Mel Gorman
, (Tue May 12, 3:05 am)
Re: [patch 08/11 -mmotm] oom: invoke oom killer for __GFP_ ...
, KOSAKI Motohiro
, (Tue May 12, 4:36 am)
Misleading OOM messages
, Christoph Lameter
, (Tue May 12, 2:14 pm)
Re: [patch 02/11 -mmotm] lowmemorykiller: Don't count free ...
, =?ISO-8859-1?Q?Arve_ ...
, (Tue May 12, 5:27 pm)
Re: [patch 01/11 -mmotm] lowmemorykiller: Only iterate ove ...
, =?ISO-8859-1?Q?Arve_ ...
, (Tue May 12, 5:43 pm)
Re: [patch 02/11 -mmotm] lowmemorykiller: Don't count free ...
, Mel Gorman
, (Wed May 13, 2:42 am)
Re: Misleading OOM messages
, Pavel Machek
, (Thu May 14, 2:29 am)
Re: Misleading OOM messages
, Christoph Lameter
, (Thu May 14, 12:46 pm)
Re: Misleading OOM messages
, Dave Hansen
, (Thu May 14, 1:38 pm)
Re: Misleading OOM messages
, Christoph Lameter
, (Thu May 14, 1:49 pm)
Re: Misleading OOM messages
, David Rientjes
, (Thu May 14, 1:49 pm)
Re: Misleading OOM messages
, Pavel Machek
, (Thu May 14, 1:56 pm)
Re: Misleading OOM messages
, Dave Hansen
, (Thu May 14, 2:05 pm)
Re: Misleading OOM messages
, David Rientjes
, (Thu May 14, 2:12 pm)
Re: Misleading OOM messages
, Christoph Lameter
, (Thu May 14, 2:30 pm)
Re: Misleading OOM messages
, Pavel Machek
, (Thu May 14, 2:34 pm)
Re: Misleading OOM messages
, Dave Hansen
, (Thu May 14, 2:37 pm)
Re: Misleading OOM messages
, Dave Hansen
, (Thu May 14, 2:41 pm)
Re: Misleading OOM messages
, David Rientjes
, (Thu May 14, 3:00 pm)
Re: [patch 02/11 -mmotm] lowmemorykiller: Don't count free ...
, =?ISO-8859-1?Q?Arve_ ...
, (Thu May 14, 4:25 pm)
Re: [patch 02/11 -mmotm] lowmemorykiller: Don't count free ...
, Mel Gorman
, (Fri May 15, 2:18 am)
Re: Misleading OOM messages
, Pavel Machek
, (Fri May 15, 6:05 am)
Re: Misleading OOM messages
, Christoph Lameter
, (Fri May 15, 10:57 am)
Re: Misleading OOM messages
, Christoph Lameter
, (Fri May 15, 10:58 am)
Re: Misleading OOM messages
, Christoph Lameter
, (Fri May 15, 10:59 am)
Re: Misleading OOM messages
, Dave Hansen
, (Fri May 15, 11:15 am)
Re: Misleading OOM messages
, Balbir Singh
, (Fri May 15, 11:19 am)
Re: Misleading OOM messages
, Dave Hansen
, (Fri May 15, 11:22 am)
Re: Misleading OOM messages
, Dave Hansen
, (Fri May 15, 11:23 am)
Re: Misleading OOM messages
, Balbir Singh
, (Fri May 15, 11:57 am)
Re: Misleading OOM messages
, Christoph Lameter
, (Fri May 15, 12:26 pm)
Re: Misleading OOM messages
, Christoph Lameter
, (Fri May 15, 12:29 pm)
Re: Misleading OOM messages
, David Rientjes
, (Fri May 15, 12:37 pm)
Re: Misleading OOM messages
, Pavel Machek
, (Fri May 15, 1:02 pm)
Re: Misleading OOM messages
, Balbir Singh
, (Fri May 15, 1:31 pm)
Re: Misleading OOM messages
, Christoph Lameter
, (Fri May 15, 2:15 pm)
Re: Misleading OOM messages
, Christoph Lameter
, (Mon May 18, 7:34 am)
Re: Misleading OOM messages
, Balbir Singh
, (Mon May 18, 8:45 am)
Re: Misleading OOM messages
, Pavel Machek
, (Tue May 19, 1:39 pm)
Re: Misleading OOM messages
, Christoph Lameter
, (Fri May 22, 6:53 am)
Warn when we run out of swap space (was Re: Misleading OOM ...
, Christoph Lameter
, (Fri May 22, 7:17 am)
Re: Warn when we run out of swap space (was Re: Misleading ...
, Pavel Machek
, (Fri May 22, 7:56 am)
Re: Misleading OOM messages
, Christoph Lameter
, (Fri May 22, 12:01 pm)
Re: Misleading OOM messages
, Randy Dunlap
, (Fri May 22, 12:40 pm)
Re: Misleading OOM messages
, Christoph Lameter
, (Fri May 22, 12:44 pm)
Re: Misleading OOM messages
, Alan Cox
, (Fri May 22, 2:43 pm)
Re: Misleading OOM messages
, Alan Cox
, (Fri May 22, 2:45 pm)
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