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Re: [PATCH 23/29] memory controller memory accounting v7 [message #20210 is a reply to message #20208]

Thu, 13 September 2007 10:29

Balbir Singh
Messages: 491
Registered: August 2006

Senior Member

Peter Zijlstra wrote:
> On Thu, 2007-09-13 at 15:19 +0530, Balbir Singh wrote:
> 
>> VM_BUG_ON(pc && !locked)
> 
> Even better :-)
> 

Good, I'll change it.

>> I am not sure I understand this comment.
> 
> Is that inc needed? the pc is already associated with the page and
> should thus already have a reference, so this inc would do 1->2, but we
> then set it to 1 again. seems like a superfluous operation.

That is something I need to look into. I'll try and get to it soon.


-- 
	Warm Regards,
	Balbir Singh
	Linux Technology Center
	IBM, ISTL
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[Message index]

		[PATCH 00/29] Rename Containers to Control Groups By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 14/29] add containerstats v3 By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 09/29] task containersv11 shared container subsystem group arrays include fix By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 16/29] containers implement namespace tracking subsystem By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 24/29] memory controller task migration v7 By: Paul Menage on Tue, 11 September 2007 19:53
		[PATCH 26/29] memory controller add per container lru and reclaim v7 fix By: Paul Menage on Tue, 11 September 2007 19:53
		[PATCH 08/29] task containersv11 shared container subsystem group arrays avoid lockdep warning By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 20/29] memory controller resource counters v7 fix By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 18/29] memory controller add documentation By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 03/29] task containersv11 add tasks file interface By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 15/29] add containerstats v3 fix By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 04/29] task containersv11 add fork exit hooks By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 25/29] memory controller add per container lru and reclaim v7 By: Paul Menage on Tue, 11 September 2007 19:53
		[PATCH 02/29] task containersv11 basic task container framework fix By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 23/29] memory controller memory accounting v7 By: Paul Menage on Tue, 11 September 2007 19:53
		Re: [PATCH 23/29] memory controller memory accounting v7 By: Peter Zijlstra on Wed, 12 September 2007 20:56
		Re: [PATCH 23/29] memory controller memory accounting v7 By: Balbir Singh on Thu, 13 September 2007 09:49
		Re: [PATCH 23/29] memory controller memory accounting v7 By: Peter Zijlstra on Thu, 13 September 2007 10:18
		Re: [PATCH 23/29] memory controller memory accounting v7 By: Balbir Singh on Thu, 13 September 2007 10:29
		[PATCH 05/29] task containersv11 add container_clone interface By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 29/29] memory controller make page_referenced container aware v7 By: Paul Menage on Tue, 11 September 2007 19:53
		[PATCH 10/29] task containersv11 automatic userspace notification of idle containers By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 13/29] task containersv11 simple task container debug info subsystem By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 06/29] task containersv11 add procfs interface By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 22/29] memory controller accounting setup v7 By: Paul Menage on Tue, 11 September 2007 19:53
		[PATCH 27/29] memory controller oom handling v7 By: Paul Menage on Tue, 11 September 2007 19:53
		[PATCH 17/29] containers implement namespace tracking subsystem fix order of container subsystems in By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 28/29] memory controller add switch to control what type of pages to limit v7 By: Paul Menage on Tue, 11 September 2007 19:53
		[PATCH 12/29] task containersv11 example cpu accounting subsystem By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 07/29] task containersv11 shared container subsystem group arrays By: Paul Menage on Tue, 11 September 2007 19:52
		[PATCH 01/29] task containersv11 basic task container framework By: Paul Menage on Tue, 11 September 2007 19:52
		Re: [PATCH 01/29] task containersv11 basic task container framework By: Paul Jackson on Sun, 30 September 2007 04:40
		Re: [PATCH 01/29] task containersv11 basic task container framework By: Paul Jackson on Sun, 30 September 2007 05:10
		Re: [PATCH 01/29] task containersv11 basic task container framework By: Paul Jackson on Sun, 30 September 2007 05:14
		Re: [PATCH 01/29] task containersv11 basic task container framework By: Paul Menage on Sun, 30 September 2007 07:10
		Re: [PATCH 01/29] task containersv11 basic task container framework By: akpm on Sun, 30 September 2007 09:03
		Re: [PATCH 01/29] task containersv11 basic task container framework By: Paul Jackson on Sun, 30 September 2007 09:15
		Re: [PATCH 01/29] task containersv11 basic task container framework By: akpm on Sun, 30 September 2007 09:29
		Re: [PATCH 01/29] task containersv11 basic task container framework By: Paul Jackson on Sun, 30 September 2007 09:36
		[PATCH 11/29] task containersv11 make cpusets a client of containers By: Paul Menage on Tue, 11 September 2007 19:52
		Re: [PATCH 11/29] task containersv11 make cpusets a client of containers By: Paul Jackson on Sun, 30 September 2007 06:25
		Re: [PATCH 11/29] task containersv11 make cpusets a client of containers By: Paul Menage on Sun, 30 September 2007 07:11
		Re: [PATCH 11/29] task containersv11 make cpusets a client of containers By: Paul Jackson on Sun, 30 September 2007 07:19
		[PATCH 21/29] memory controller containers setup v7 By: Paul Menage on Tue, 11 September 2007 19:53
		[PATCH 19/29] memory controller resource counters v7 By: Paul Menage on Tue, 11 September 2007 19:52

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