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Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) [message #5480 is a reply to message #5427]

Mon, 21 August 2006 10:48

dev
Messages: 1693
Registered: September 2005
Location: Moscow

Senior Member

Chandra Seetharaman wrote:
> Kirill,
>
> IMO, a UBC with resource constraint(limit in this case) should behave no
> different than a kernel with limited memory. i.e it should do
> reclamation before it starts failing allocation requests. It could even
> do it preemptively.
first, please notice, that this thread is not about user memory.
we can discuss it later when about to control user memory. And
I still need to notice, that different models of user memory control
can exist. With and without reclamation.

> There is no guarantee support which is required for providing QoS.
where? in UBC? in UBC _there_ are guarentees, even in regard to OOM killer.

> Each controller modifying the infrastructure code doesn't look good. We
> can have proper interfaces to add a new resource controller.
controllers do not modify interfaces nor core. They just add
themself to the list of resources and setup default limits.
do you think it is worth creating infrastructure for these
2 one-line-changes?

> chandra
> On Wed, 2006-08-16 at 19:40 +0400, Kirill Korotaev wrote:
>
>>Introduce UB_KMEMSIZE resource which accounts kernel
>>objects allocated by task's request.
>>
>>Reference to UB is kept on struct page or slab object.
>>For slabs each struct slab contains a set of pointers
>>corresponding objects are charged to.
>>
>>Allocation charge rules:
>> define1. Pages - if allocation is performed with __GFP_UBC flag - page
>> is charged to current's exec_ub.
>> 2. Slabs - kmem_cache may be created with SLAB_UBC flag - in this
>> case each allocation is charged. Caches used by kmalloc are
>> created with SLAB_UBC | SLAB_UBC_NOCHARGE flags. In this case
>> only __GFP_UBC allocations are charged.
>>
>>Signed-Off-By: Pavel Emelianov <xemul@sw.ru>
>>Signed-Off-By: Kirill Korotaev <dev@sw.ru>
>>
> <snip>

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[Message index]

		[RFC][PATCH] UBC: user resource beancounters By: dev on Wed, 16 August 2006 15:23
		[RFC][PATCH 1/7] UBC: kconfig By: dev on Wed, 16 August 2006 15:34
		Re: [ckrm-tech] [RFC][PATCH 1/7] UBC: kconfig By: Chandra Seetharaman on Fri, 18 August 2006 19:57
		Re: [RFC][PATCH 1/7] UBC: kconfig By: Adrian Bunk on Fri, 18 August 2006 21:14
		Re: [RFC][PATCH 1/7] UBC: kconfig By: Pavel Machek on Fri, 25 August 2006 15:12
		[RFC][PATCH 2/7] UBC: core (structures, API) By: dev on Wed, 16 August 2006 15:35
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: Alan Cox on Wed, 16 August 2006 16:38
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: dev on Thu, 17 August 2006 11:40
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: Andrew Morton on Wed, 16 August 2006 18:18
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: dev on Thu, 17 August 2006 11:52
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: Greg KH on Wed, 16 August 2006 17:15
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: dev on Thu, 17 August 2006 11:43
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: Greg KH on Thu, 17 August 2006 12:14
		Re: [ckrm-tech] [RFC][PATCH 2/7] UBC: core (structures, API) By: Dave Hansen on Thu, 17 August 2006 14:32
		Re: [ckrm-tech] [RFC][PATCH 2/7] UBC: core (structures, API) By: dev on Fri, 18 August 2006 12:34
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: Rohit Seth on Wed, 16 August 2006 18:11
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: dev on Thu, 17 August 2006 11:52
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: Rohit Seth on Thu, 17 August 2006 16:55
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: dev on Fri, 18 August 2006 11:13
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: Rohit Seth on Fri, 18 August 2006 17:51
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: Andrew Morton on Fri, 18 August 2006 05:31
		Re: [PATCH 2/7] UBC: core (structures, API) By: Andrey Savochkin on Fri, 18 August 2006 07:35
		Re: [ckrm-tech] [PATCH 2/7] UBC: core (structures, API) By: Matt Helsley on Fri, 18 August 2006 08:26
		Re: [ckrm-tech] [PATCH 2/7] UBC: core (structures, API) By: dev on Fri, 18 August 2006 11:50
		Re: [RFC][PATCH 2/7] UBC: core (structures, API) By: Alan Cox on Fri, 18 August 2006 15:39
		Re: [ckrm-tech] [RFC][PATCH 2/7] UBC: core (structures, API) By: Srivatsa Vaddagiri on Thu, 17 August 2006 11:09
		Re: [ckrm-tech] [RFC][PATCH 2/7] UBC: core (structures, API) By: dev on Thu, 17 August 2006 14:00
		Re: [ckrm-tech] [RFC][PATCH 2/7] UBC: core (structures, API) By: Chandra Seetharaman on Thu, 17 August 2006 18:59
		Re: [ckrm-tech] [RFC][PATCH 2/7] UBC: core (structures, API) By: Matt Helsley on Fri, 18 August 2006 01:58
		Re: [ckrm-tech] [RFC][PATCH 2/7] UBC: core (structures, API) By: Balbir Singh on Sun, 20 August 2006 05:01
		Re: [ckrm-tech] [RFC][PATCH 2/7] UBC: core (structures, API) By: Balbir Singh on Sun, 20 August 2006 04:58
		[RFC][PATCH 3/7] UBC: ub context and inheritance By: dev on Wed, 16 August 2006 15:36
		Re: [RFC][PATCH 3/7] UBC: ub context and inheritance By: Alan Cox on Wed, 16 August 2006 16:31
		Re: [ckrm-tech] [RFC][PATCH 3/7] UBC: ub context and inheritance By: Srivatsa Vaddagiri on Thu, 17 August 2006 11:09
		Re: Re: [ckrm-tech] [RFC][PATCH 3/7] UBC: ub context and inheritance By: xemul on Thu, 17 August 2006 13:21
		Re: [ckrm-tech] [RFC][PATCH 3/7] UBC: ub context and inheritance By: Matt Helsley on Fri, 18 August 2006 02:42
		Re: [ckrm-tech] [RFC][PATCH 3/7] UBC: ub context and inheritance By: dev on Fri, 18 August 2006 09:21
		Re: [ckrm-tech] [RFC][PATCH 3/7] UBC: ub context and inheritance By: Matt Helsley on Sat, 19 August 2006 02:19
		Re: [ckrm-tech] [RFC][PATCH 3/7] UBC: ub context and inheritance By: Chandra Seetharaman on Fri, 18 August 2006 20:03
		Re: [ckrm-tech] [RFC][PATCH 3/7] UBC: ub context and inheritance By: dev on Mon, 21 August 2006 10:30
		Re: [ckrm-tech] [RFC][PATCH 3/7] UBC: ub context and inheritance By: Chandra Seetharaman on Mon, 21 August 2006 20:48
		[RFC][PATCH 4/7] UBC: syscalls (user interface) By: dev on Wed, 16 August 2006 15:37
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Alan Cox on Wed, 16 August 2006 16:32
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Alan Cox on Wed, 16 August 2006 18:44
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Rohit Seth on Wed, 16 August 2006 19:22
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: dev on Thu, 17 August 2006 12:11
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Andrew Morton on Thu, 17 August 2006 15:40
		Re: [PATCH 4/7] UBC: syscalls (user interface) By: Andrey Savochkin on Fri, 18 August 2006 08:08
		Re: [ckrm-tech] [PATCH 4/7] UBC: syscalls (user interface) By: Dave Hansen on Fri, 18 August 2006 14:45
		Re: [ckrm-tech] [PATCH 4/7] UBC: syscalls (user interface) By: Magnus Damm on Mon, 21 August 2006 02:47
		Re: [ckrm-tech] [PATCH 4/7] UBC: syscalls (user interface) By: Rohit Seth on Tue, 22 August 2006 01:16
		Re: [ckrm-tech] [PATCH 4/7] UBC: syscalls (user interface) By: Magnus Damm on Tue, 22 August 2006 03:58
		Re: [ckrm-tech] [PATCH 4/7] UBC: syscalls (user interface) By: Chandra Seetharaman on Tue, 22 August 2006 18:34
		Re: [ckrm-tech] [PATCH 4/7] UBC: syscalls (user interface) By: Rohit Seth on Thu, 24 August 2006 01:20
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: dev on Fri, 18 August 2006 11:03
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Rohit Seth on Thu, 17 August 2006 17:08
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Greg KH on Wed, 16 August 2006 17:17
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: dev on Thu, 17 August 2006 12:00
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Rohit Seth on Wed, 16 August 2006 18:17
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: dev on Thu, 17 August 2006 12:03
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Rohit Seth on Thu, 17 August 2006 17:05
		Re: [ckrm-tech] [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Srivatsa Vaddagiri on Thu, 17 August 2006 11:09
		Re: [ckrm-tech] [RFC][PATCH 4/7] UBC: syscalls (user interface) By: dev on Thu, 17 August 2006 14:03
		Re: [ckrm-tech] [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Srivatsa Vaddagiri on Thu, 17 August 2006 16:19
		Re: [ckrm-tech] [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Matt Helsley on Fri, 18 August 2006 02:31
		Re: [ckrm-tech] [RFC][PATCH 4/7] UBC: syscalls (user interface) By: dev on Fri, 18 August 2006 11:43
		Re: [ckrm-tech] [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Matt Helsley on Sat, 19 August 2006 02:43
		Re: [ckrm-tech] [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Chandra Seetharaman on Fri, 18 August 2006 20:13
		Re: [RFC][PATCH 4/7] UBC: syscalls (user interface) By: Arnd Bergmann on Fri, 18 August 2006 11:40
		[RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Wed, 16 August 2006 15:39
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Alan Cox on Wed, 16 August 2006 16:35
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Thu, 17 August 2006 13:45
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Dave Hansen on Wed, 16 August 2006 18:47
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Rohit Seth on Wed, 16 August 2006 19:15
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Alan Cox on Thu, 17 August 2006 00:02
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Rohit Seth on Thu, 17 August 2006 16:36
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Fri, 18 August 2006 08:43
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Thu, 17 August 2006 13:33
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Rohit Seth on Thu, 17 August 2006 17:13
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Fri, 18 August 2006 08:47
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Thu, 17 August 2006 13:29
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Dave Hansen on Thu, 17 August 2006 14:36
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Fri, 18 August 2006 08:12
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Dave Hansen on Fri, 18 August 2006 14:43
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Mon, 21 August 2006 08:56
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Rohit Seth on Wed, 16 August 2006 18:24
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Thu, 17 August 2006 13:25
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Dave Hansen on Thu, 17 August 2006 14:38
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Fri, 18 August 2006 09:29
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Dave Hansen on Fri, 18 August 2006 14:58
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Mon, 21 August 2006 10:38
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Dave Hansen on Mon, 21 August 2006 15:10
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Dave Hansen on Fri, 18 August 2006 15:06
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Mon, 21 August 2006 12:36
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Rohit Seth on Thu, 17 August 2006 17:02
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Fri, 18 August 2006 09:36
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Rohit Seth on Fri, 18 August 2006 16:55
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Mon, 21 August 2006 10:41
		Re: [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Rohit Seth on Tue, 22 August 2006 01:23
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Chandra Seetharaman on Fri, 18 August 2006 20:26
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: dev on Mon, 21 August 2006 10:48
		Re: [ckrm-tech] [RFC][PATCH 5/7] UBC: kernel memory accounting (core) By: Chandra Seetharaman on Mon, 21 August 2006 20:55
		[RFC][PATCH 6/7] UBC: kernel memory acconting (mark objects) By: dev on Wed, 16 August 2006 15:40
		Re: [RFC][PATCH 6/7] UBC: kernel memory acconting (mark objects) By: Alan Cox on Wed, 16 August 2006 16:36
		[RFC][PATCH 7/7] UBC: proc interface By: dev on Wed, 16 August 2006 15:42
		Re: [RFC][PATCH 7/7] UBC: proc interface By: Greg KH on Wed, 16 August 2006 17:13
		Re: [RFC][PATCH 7/7] UBC: proc interface By: dev on Thu, 17 August 2006 13:41
		Re: [RFC][PATCH 7/7] UBC: proc interface By: Greg KH on Thu, 17 August 2006 15:40
		Re: Re: [RFC][PATCH 7/7] UBC: proc interface By: kir on Thu, 17 August 2006 16:12
		Re: [RFC][PATCH] UBC: user resource beancounters By: Alan Cox on Wed, 16 August 2006 19:06
		Re: [RFC][PATCH] UBC: user resource beancounters By: Rohit Seth on Wed, 16 August 2006 18:53
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Thu, 17 August 2006 00:15
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Srivatsa Vaddagiri on Thu, 17 August 2006 11:02
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: dev on Thu, 17 August 2006 13:53
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Thu, 17 August 2006 19:55
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Fri, 18 August 2006 19:39
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: dev on Mon, 21 August 2006 13:21
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Mon, 21 August 2006 21:45
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Alan Cox on Mon, 21 August 2006 22:01
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Mon, 21 August 2006 22:44
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Rohit Seth on Tue, 22 August 2006 01:45
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Alan Cox on Tue, 22 August 2006 09:42
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Arjan van de Ven on Tue, 22 August 2006 09:57
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Alan Cox on Tue, 22 August 2006 10:54
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Rohit Seth on Thu, 24 August 2006 01:31
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Tue, 22 August 2006 18:55
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Rohit Seth on Thu, 24 August 2006 01:44
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Thu, 24 August 2006 02:04
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Alan Cox on Thu, 24 August 2006 10:49
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Thu, 24 August 2006 23:48
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Kyle Moffett on Thu, 24 August 2006 23:55
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Fri, 25 August 2006 18:21
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Alan Cox on Fri, 25 August 2006 20:25
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Fri, 25 August 2006 21:37
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Alan Cox on Fri, 25 August 2006 22:30
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Fri, 25 August 2006 22:59
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Rohit Seth on Thu, 24 August 2006 17:27
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Thu, 24 August 2006 23:52
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: dev on Fri, 25 August 2006 11:10
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Fri, 25 August 2006 18:47
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Alan Cox on Fri, 25 August 2006 20:32
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Fri, 25 August 2006 22:23
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Alan Cox on Fri, 25 August 2006 22:51
		Re: [ckrm-tech] [RFC][PATCH] UBC: user resource beancounters By: Chandra Seetharaman on Fri, 25 August 2006 23:00

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