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Re: [PATCH 6/13] BC: kmemsize accounting (core) [message #8277 is a reply to message #8239]

Mon, 13 November 2006 12:13

Pavel Emelianov
Messages: 1149
Registered: September 2006

Senior Member

Pekka Enberg wrote:
> Hi,
>
> On 11/9/06, Kirill Korotaev <dev@sw.ru> wrote:
>> +#ifdef CONFIG_BEANCOUNTERS
>> +#define BC_EXTRASIZE sizeof(struct beancounter *)
>> +static inline size_t slab_mgmt_size_noalign(int flags, size_t nr_objs)
>> +{
>> + size_t size;
>> +
>> + size = slab_mgmt_size_raw(nr_objs);
>> + if (flags & SLAB_BC)
>> + size = ALIGN(size, BC_EXTRASIZE) + nr_objs *
>> BC_EXTRASIZE;
>> + return size;
>
> Why do we want to track each allocated _object_ in the slab? Isn't
> tracking pages enough?

No. One page may contain objects allocated in different beancounters.

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[Message index]

		BC: resource beancounters (v6) (with userpages reclamation + configfs) By: dev on Thu, 09 November 2006 16:42
		[PATCH 1/13] BC: atomic_dec_and_lock_irqsave() helper By: dev on Thu, 09 November 2006 16:47
		Re: [PATCH 1/13] BC: atomic_dec_and_lock_irqsave() helper By: Cedric Le Goater on Fri, 10 November 2006 15:19
		Re: [PATCH 1/13] BC: atomic_dec_and_lock_irqsave() helper By: dev on Fri, 10 November 2006 16:40
		[PATCH 2/13] BC: Kconfig and Makefile By: dev on Thu, 09 November 2006 16:47
		[PATCH 3/13] BC: beancounters core and API By: dev on Thu, 09 November 2006 16:49
		[PATCH 4/13] BC: context handling By: dev on Thu, 09 November 2006 16:51
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Paul Menage on Thu, 23 November 2006 07:48
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Pavel Emelianov on Thu, 23 November 2006 08:35
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Paul Menage on Thu, 23 November 2006 08:53
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Pavel Emelianov on Thu, 23 November 2006 09:20
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Paul Menage on Thu, 23 November 2006 09:31
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Pavel Emelianov on Thu, 23 November 2006 09:56
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Paul Menage on Thu, 23 November 2006 10:18
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Pavel Emelianov on Thu, 23 November 2006 10:45
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Pavel Emelianov on Fri, 24 November 2006 10:10
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Paul Menage on Sat, 25 November 2006 00:09
		Re: [ckrm-tech] [PATCH 4/13] BC: context handling By: Pavel Emelianov on Mon, 27 November 2006 08:27
		[PATCH 5/13] BC: configfs interface By: dev on Thu, 09 November 2006 16:52
		[PATCH 6/13] BC: kmemsize accounting (core) By: dev on Thu, 09 November 2006 16:53
		Re: [PATCH 6/13] BC: kmemsize accounting (core) By: Paul Jackson on Thu, 09 November 2006 19:05
		Re: [PATCH 6/13] BC: kmemsize accounting (core) By: Pekka Enberg on Fri, 10 November 2006 22:50
		Re: [PATCH 6/13] BC: kmemsize accounting (core) By: Pekka Enberg on Fri, 10 November 2006 22:46
		Re: [PATCH 6/13] BC: kmemsize accounting (core) By: Pavel Emelianov on Mon, 13 November 2006 12:13
		Re: [PATCH 6/13] BC: kmemsize accounting (core) By: Pavel Machek on Sat, 11 November 2006 05:50
		[PATCH 7/13] BC: kmemsize accounting (hooks) By: dev on Thu, 09 November 2006 16:54
		[PATCH 8/13] BC: privvmpages accounting (core) By: dev on Thu, 09 November 2006 16:56
		[PATCH 9/13] BC: privvmpages accounting (hooks) By: dev on Thu, 09 November 2006 16:57
		[PATCH 10/13] BC: physpages accounting (core) By: dev on Thu, 09 November 2006 16:59
		[PATCH 11/13] BC: physpages accounting (hooks) By: dev on Thu, 09 November 2006 17:01
		[PATCH 12/13] BC: numtasks accounting By: dev on Thu, 09 November 2006 17:02
		[PATCH 13/13] BC: numfiles accounting By: dev on Thu, 09 November 2006 17:03
		Re: BC: resource beancounters (v6) (with userpages reclamation + configfs) By: Herbert Poetzl on Sun, 19 November 2006 19:41

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