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Re: [RFC][PATCH 2/7] RSS controller core [message #11009 is a reply to message #11001]

Sun, 11 March 2007 15:51

Balbir Singh
Messages: 491
Registered: August 2006

Senior Member

On 3/11/07, Andrew Morton <akpm@linux-foundation.org> wrote:
> > On Sun, 11 Mar 2007 15:26:41 +0300 Kirill Korotaev <dev@sw.ru> wrote:
> > Andrew Morton wrote:
> > > On Tue, 06 Mar 2007 17:55:29 +0300
> > > Pavel Emelianov <xemul@sw.ru> wrote:
> > >
> > >
> > >>+struct rss_container {
> > >>+ struct res_counter res;
> > >>+ struct list_head page_list;
> > >>+ struct container_subsys_state css;
> > >>+};
> > >>+
> > >>+struct page_container {
> > >>+ struct page *page;
> > >>+ struct rss_container *cnt;
> > >>+ struct list_head list;
> > >>+};
> > >
> > >
> > > ah. This looks good. I'll find a hunk of time to go through this work
> > > and through Paul's patches. It'd be good to get both patchsets lined
> > > up in -mm within a couple of weeks. But..
> > >
> > > We need to decide whether we want to do per-container memory limitation via
> > > these data structures, or whether we do it via a physical scan of some
> > > software zone, possibly based on Mel's patches.
> > i.e. a separate memzone for each container?
>
> Yep. Straightforward machine partitioning. An attractive thing is that it
> 100% reuses existing page reclaim, unaltered.

We discussed zones for resource control and some of the disadvantages at
http://lkml.org/lkml/2006/10/30/222

I need to look at Mel's patches to determine if they are suitable for
control. But in a thread of discussion on those patches, it was agreed
that memory fragmentation and resource control are independent issues.

>
> > imho memzone approach is inconvinient for pages sharing and shares accounting.
> > it also makes memory management more strict, forbids overcommiting
> > per-container etc.
>
> umm, who said they were requirements?
>

We discussed some of the requirements in the RFC: Memory Controller
requirements thread
http://lkml.org/lkml/2006/10/30/51

> > Maybe you have some ideas how we can decide on this?
>
> We need to work out what the requirements are before we can settle on an
> implementation.
>
> Sigh. Who is running this show? Anyone?
>

All the stake holders involved in the RFC discussion :-) We've been
talking and building on top of each others patches. I hope that was a
good answer ;)

> You can actually do a form of overcommittment by allowing multiple
> containers to share one or more of the zones. Whether that is sufficient
> or suitable I don't know. That depends on the requirements, and we haven't
> even discussed those, let alone agreed to them.
>

There are other things like resizing a zone, finding the right size,
etc. I'll look
at Mel's patches to see what is supported.

Warm Regards,
Balbir Singh

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[Message index]

		[RFC][PATCH 0/7] Resource controllers based on process containers By: xemul on Tue, 06 March 2007 14:42
		[RFC][PATCH 1/7] Resource counters By: xemul on Tue, 06 March 2007 14:47
		Re: [RFC][PATCH 1/7] Resource counters By: Balbir Singh on Wed, 07 March 2007 04:03
		Re: [RFC][PATCH 1/7] Resource counters By: xemul on Wed, 07 March 2007 07:17
		Re: [RFC][PATCH 1/7] Resource counters By: Herbert Poetzl on Fri, 09 March 2007 16:37
		Re: [RFC][PATCH 1/7] Resource counters By: xemul on Sun, 11 March 2007 09:01
		Re: [RFC][PATCH 1/7] Resource counters By: ebiederm on Sun, 11 March 2007 19:00
		Re: [RFC][PATCH 1/7] Resource counters By: Herbert Poetzl on Mon, 12 March 2007 01:16
		Re: [RFC][PATCH 1/7] Resource counters By: ebiederm on Tue, 13 March 2007 09:09
		Re: [RFC][PATCH 1/7] Resource counters By: xemul on Tue, 13 March 2007 09:27
		Re: [RFC][PATCH 1/7] Resource counters By: Herbert Poetzl on Tue, 13 March 2007 15:21
		Re: [RFC][PATCH 1/7] Resource counters By: xemul on Tue, 13 March 2007 15:41
		Re: [RFC][PATCH 1/7] Resource counters By: Srivatsa Vaddagiri on Tue, 13 March 2007 16:07
		Re: [RFC][PATCH 1/7] Resource counters By: xemul on Wed, 14 March 2007 07:12
		Re: [RFC][PATCH 1/7] Resource counters By: ebiederm on Thu, 15 March 2007 16:51
		Re: Re: [RFC][PATCH 1/7] Resource counters By: dev on Tue, 13 March 2007 09:36
		Re: [RFC][PATCH 1/7] Resource counters By: Herbert Poetzl on Tue, 13 March 2007 16:32
		[RFC][PATCH 2/7] RSS controller core By: xemul on Tue, 06 March 2007 14:53
		Re: [RFC][PATCH 2/7] RSS controller core By: Andrew Morton on Tue, 06 March 2007 22:00
		Re: [RFC][PATCH 2/7] RSS controller core By: dev on Sun, 11 March 2007 12:13
		Re: [RFC][PATCH 2/7] RSS controller core By: Andrew Morton on Sun, 11 March 2007 12:51
		Re: [RFC][PATCH 2/7] RSS controller core By: Balbir Singh on Sun, 11 March 2007 15:51
		Re: [RFC][PATCH 2/7] RSS controller core By: ebiederm on Sun, 11 March 2007 19:34
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Mon, 12 March 2007 01:00
		Re: [RFC][PATCH 2/7] RSS controller core By: Dave Hansen on Mon, 12 March 2007 18:42
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Mon, 12 March 2007 22:41
		Re: [RFC][PATCH 2/7] RSS controller core By: xemul on Mon, 12 March 2007 09:02
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Mon, 12 March 2007 21:11
		Re: [RFC][PATCH 2/7] RSS controller core By: xemul on Tue, 13 March 2007 07:17
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Tue, 13 March 2007 15:05
		Re: [RFC][PATCH 2/7] RSS controller core By: xemul on Tue, 13 March 2007 15:32
		Re: [RFC][PATCH 2/7] RSS controller core By: dev on Tue, 13 March 2007 15:10
		Re: Re: [RFC][PATCH 2/7] RSS controller core By: Kirill Korotaev on Mon, 12 March 2007 09:10
		Re: Re: [RFC][PATCH 2/7] RSS controller core By: ebiederm on Tue, 13 March 2007 09:26
		Re: Re: [RFC][PATCH 2/7] RSS controller core By: dev on Tue, 13 March 2007 15:30
		Re: Re: [RFC][PATCH 2/7] RSS controller core By: dev on Tue, 13 March 2007 10:06
		Re: Re: [RFC][PATCH 2/7] RSS controller core By: Andrew Morton on Tue, 13 March 2007 10:49
		Re: Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Tue, 13 March 2007 14:59
		Re: [RFC][PATCH 2/7] RSS controller core By: Dave Hansen on Tue, 13 March 2007 17:05
		Re: [RFC][PATCH 2/7] RSS controller core By: mel on Wed, 14 March 2007 15:38
		Re: Re: [RFC][PATCH 2/7] RSS controller core By: Paul Menage on Sun, 18 March 2007 22:44
		Re: Re: [RFC][PATCH 2/7] RSS controller core By: ebiederm on Mon, 19 March 2007 17:41
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Fri, 09 March 2007 16:48
		Re: [RFC][PATCH 2/7] RSS controller core By: xemul on Sun, 11 March 2007 09:08
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Sun, 11 March 2007 14:32
		Re: [RFC][PATCH 2/7] RSS controller core By: xemul on Sun, 11 March 2007 15:04
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Mon, 12 March 2007 00:41
		Re: [RFC][PATCH 2/7] RSS controller core By: xemul on Mon, 12 March 2007 08:31
		Re: [RFC][PATCH 2/7] RSS controller core By: Balbir Singh on Mon, 12 March 2007 09:55
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Mon, 12 March 2007 23:43
		Re: [RFC][PATCH 2/7] RSS controller core By: Balbir Singh on Tue, 13 March 2007 01:57
		Re: [RFC][PATCH 2/7] RSS controller core By: Srivatsa Vaddagiri on Tue, 13 March 2007 02:24
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Tue, 13 March 2007 16:06
		Re: [RFC][PATCH 2/7] RSS controller core By: Balbir Singh on Wed, 07 March 2007 05:37
		Re: [RFC][PATCH 2/7] RSS controller core By: xemul on Wed, 07 March 2007 07:25
		Re: [RFC][PATCH 2/7] RSS controller core By: Dave Hansen on Mon, 12 March 2007 23:02
		Re: [RFC][PATCH 2/7] RSS controller core By: ebiederm on Sun, 18 March 2007 16:58
		Re: [RFC][PATCH 2/7] RSS controller core By: akpm on Tue, 13 March 2007 06:04
		Re: [RFC][PATCH 2/7] RSS controller core By: Dave Hansen on Tue, 13 March 2007 17:26
		Re: [RFC][PATCH 2/7] RSS controller core By: Alan Cox on Tue, 13 March 2007 19:09
		Re: [RFC][PATCH 2/7] RSS controller core By: ebiederm on Fri, 16 March 2007 00:55
		Re: [RFC][PATCH 2/7] RSS controller core By: Dave Hansen on Fri, 16 March 2007 16:31
		Re: [RFC][PATCH 2/7] RSS controller core By: ebiederm on Fri, 16 March 2007 18:54
		Re: [RFC][PATCH 2/7] RSS controller core By: mel on Wed, 14 March 2007 16:47
		Re: [RFC][PATCH 2/7] RSS controller core By: Dave Hansen on Tue, 13 March 2007 20:28
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Tue, 13 March 2007 15:11
		Re: [RFC][PATCH 2/7] RSS controller core By: dev on Tue, 13 March 2007 15:54
		Re: [RFC][PATCH 2/7] RSS controller core By: Dave Hansen on Wed, 14 March 2007 20:42
		Re: [RFC][PATCH 2/7] RSS controller core By: mel on Tue, 20 March 2007 18:57
		Re: [RFC][PATCH 2/7] RSS controller core By: Dave Hansen on Fri, 16 March 2007 19:46
		Re: [RFC][PATCH 2/7] RSS controller core By: ebiederm on Sun, 18 March 2007 17:42
		Re: [RFC][PATCH 2/7] RSS controller core By: Herbert Poetzl on Mon, 19 March 2007 15:48
		controlling mmap()'d vs read/write() pages By: Dave Hansen on Tue, 20 March 2007 16:15
		Re: controlling mmap()'d vs read/write() pages By: ebiederm on Tue, 20 March 2007 21:19
		Re: controlling mmap()'d vs read/write() pages By: Herbert Poetzl on Fri, 23 March 2007 00:51
		Re: controlling mmap()'d vs read/write() pages By: Nick Piggin on Fri, 23 March 2007 05:57
		Re: controlling mmap()'d vs read/write() pages By: ebiederm on Fri, 23 March 2007 10:12
		Re: controlling mmap()'d vs read/write() pages By: Dave Hansen on Fri, 23 March 2007 16:41
		Re: controlling mmap()'d vs read/write() pages By: Herbert Poetzl on Fri, 23 March 2007 18:16
		Re: controlling mmap()'d vs read/write() pages By: Balbir Singh on Wed, 28 March 2007 09:18
		Re: controlling mmap()'d vs read/write() pages By: Nick Piggin on Fri, 23 March 2007 10:47
		Re: controlling mmap()'d vs read/write() pages By: ebiederm on Fri, 23 March 2007 12:21
		Re: controlling mmap()'d vs read/write() pages By: Nick Piggin on Wed, 28 March 2007 07:33
		[RFC][PATCH 3/7] Data structures changes for RSS accounting By: xemul on Tue, 06 March 2007 14:55
		Re: [RFC][PATCH 3/7] Data structures changes for RSS accounting By: ebiederm on Sun, 11 March 2007 19:13
		Re: [RFC][PATCH 3/7] Data structures changes for RSS accounting By: dev on Mon, 12 March 2007 16:16
		Re: [RFC][PATCH 3/7] Data structures changes for RSS accounting By: Dave Hansen on Mon, 12 March 2007 16:48
		Re: [RFC][PATCH 3/7] Data structures changes for RSS accounting By: xemul on Mon, 12 March 2007 17:19
		Re: [RFC][PATCH 3/7] Data structures changes for RSS accounting By: Balbir Singh on Mon, 12 March 2007 17:21
		Re: [RFC][PATCH 3/7] Data structures changes for RSS accounting By: Dave Hansen on Mon, 12 March 2007 17:27
		Re: [RFC][PATCH 3/7] Data structures changes for RSS accounting By: xemul on Tue, 13 March 2007 07:10
		[RFC][PATCH 4/7] RSS accounting hooks over the code By: xemul on Tue, 06 March 2007 14:57
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: xemul on Wed, 14 March 2007 15:43
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Cedric Le Goater on Wed, 14 March 2007 15:37
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: ebiederm on Sun, 11 March 2007 19:14
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: dev on Mon, 12 March 2007 16:23
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Dave Hansen on Mon, 12 March 2007 16:50
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: dev on Mon, 12 March 2007 17:07
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Herbert Poetzl on Mon, 12 March 2007 23:54
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: ebiederm on Tue, 13 March 2007 09:58
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Nick Piggin on Tue, 13 March 2007 10:25
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Ethan Solomita on Wed, 28 March 2007 20:15
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Dave Hansen on Mon, 12 March 2007 17:33
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: ebiederm on Tue, 13 March 2007 09:43
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: ebiederm on Tue, 13 March 2007 16:01
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Nick Piggin on Wed, 14 March 2007 03:51
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Balbir Singh on Wed, 14 March 2007 06:42
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Nick Piggin on Wed, 14 March 2007 06:57
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Balbir Singh on Wed, 14 March 2007 07:48
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Vaidyanathan Srinivas on Wed, 14 March 2007 13:25
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Nick Piggin on Wed, 14 March 2007 13:49
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: dev on Wed, 14 March 2007 16:16
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Nick Piggin on Thu, 15 March 2007 05:01
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Vaidyanathan Srinivas on Wed, 14 March 2007 14:43
		Re: [RFC][PATCH 4/7] RSS accounting hooks over the code By: Balbir Singh on Thu, 15 March 2007 05:44
		[RFC][PATCH 5/7] Per-container OOM killer and page reclamation By: xemul on Tue, 06 March 2007 15:01
		Re: [RFC][PATCH 5/7] Per-container OOM killer and page reclamation By: Balbir Singh on Fri, 09 March 2007 21:21
		Re: [RFC][PATCH 5/7] Per-container OOM killer and page reclamation By: xemul on Sun, 11 March 2007 08:39
		[RFC][PATCH 6/7] Account for the number of tasks within container By: xemul on Tue, 06 March 2007 15:02
		Re: [RFC][PATCH 6/7] Account for the number of tasks within container By: Paul Menage on Wed, 07 March 2007 02:00
		Re: [RFC][PATCH 6/7] Account for the number of tasks within container By: xemul on Wed, 07 March 2007 07:10
		Re: [RFC][PATCH 6/7] Account for the number of tasks within container By: Paul Menage on Thu, 08 March 2007 13:49
		Re: [RFC][PATCH 6/7] Account for the number of tasks within container By: xemul on Sun, 11 March 2007 08:34
		[RFC][PATCH 7/7] Account for the number of files opened within container By: xemul on Tue, 06 March 2007 15:05
		Re: [RFC][PATCH 0/7] Resource controllers based on process containers By: Paul Menage on Wed, 07 March 2007 02:02
		Re: [RFC][PATCH 0/7] Resource controllers based on process containers By: xemul on Wed, 07 March 2007 07:27
		Re: [RFC][PATCH 0/7] Resource controllers based on process containers By: Balbir Singh on Wed, 07 March 2007 06:52
		Re: [RFC][PATCH 0/7] Resource controllers based on process containers By: xemul on Wed, 07 March 2007 07:30
		Re: [RFC][PATCH 0/7] Resource controllers based on process containers By: dev on Wed, 07 March 2007 09:30

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