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Re: [PATCH v5 10/18] sl[au]b: always get the cache from its page in kfree [message #48540 is a reply to message #48519]

Fri, 19 October 2012 19:44

Christoph Lameter
Messages: 123
Registered: September 2006

Senior Member

On Fri, 19 Oct 2012, Glauber Costa wrote:

> struct page already have this information. If we start chaining
> caches, this information will always be more trustworthy than
> whatever is passed into the function

Yes it does but the information is not standardized between the allocators
yet. Coul you unify that? Come out with a struct page overlay that is as
much the same as possible. Then kfree can also be unified because the
lookup is always the same. That way you can move kfree into slab_common
and avoid modifying multiple allocators.

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[Message index]

		[PATCH v5 00/18] slab accounting for memcg By: Glauber Costa on Fri, 19 October 2012 14:20
		[PATCH v5 10/18] sl[au]b: always get the cache from its page in kfree By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 10/18] sl[au]b: always get the cache from its page in kfree By: Christoph Lameter on Fri, 19 October 2012 19:44
		Re: [PATCH v5 10/18] sl[au]b: always get the cache from its page in kfree By: Glauber Costa on Mon, 22 October 2012 10:13
		[PATCH v5 04/18] slab: don't preemptively remove element from list in cache destroy By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 04/18] slab: don't preemptively remove element from list in cache destroy By: Christoph Lameter on Fri, 19 October 2012 19:34
		Re: [PATCH v5 04/18] slab: don't preemptively remove element from list in cache destroy By: Glauber Costa on Mon, 22 October 2012 08:40
		Re: [PATCH v5 04/18] slab: don't preemptively remove element from list in cache destroy By: Pekka Enberg on Wed, 24 October 2012 06:54
		Re: [PATCH v5 04/18] slab: don't preemptively remove element from list in cache destroy By: Glauber Costa on Wed, 24 October 2012 08:21
		[PATCH v5 09/18] memcg: skip memcg kmem allocations in specified code regions By: Glauber Costa on Fri, 19 October 2012 14:20
		[PATCH v5 02/18] move print_slabinfo_header to slab_common.c By: Glauber Costa on Fri, 19 October 2012 14:20
		[PATCH v5 11/18] sl[au]b: Allocate objects from memcg cache By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 11/18] sl[au]b: Allocate objects from memcg cache By: Christoph Lameter on Fri, 19 October 2012 19:46
		Re: [PATCH v5 11/18] sl[au]b: Allocate objects from memcg cache By: JoonSoo Kim on Mon, 29 October 2012 15:14
		Re: [PATCH v5 11/18] sl[au]b: Allocate objects from memcg cache By: Glauber Costa on Mon, 29 October 2012 15:19
		[PATCH v5 17/18] slub: slub-specific propagation changes. By: Glauber Costa on Fri, 19 October 2012 14:20
		[PATCH v5 06/18] consider a memcg parameter in kmem_create_cache By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 06/18] consider a memcg parameter in kmem_create_cache By: JoonSoo Kim on Tue, 23 October 2012 17:50
		Re: [PATCH v5 06/18] consider a memcg parameter in kmem_create_cache By: Glauber Costa on Wed, 24 October 2012 08:42
		Re: [PATCH v5 06/18] consider a memcg parameter in kmem_create_cache By: Glauber Costa on Thu, 25 October 2012 13:42
		[PATCH v5 05/18] slab/slub: struct memcg_params By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 05/18] slab/slub: struct memcg_params By: JoonSoo Kim on Tue, 23 October 2012 17:25
		Re: [PATCH v5 05/18] slab/slub: struct memcg_params By: Glauber Costa on Wed, 24 October 2012 08:42
		[PATCH v5 18/18] Add slab-specific documentation about the kmem controller By: Glauber Costa on Fri, 19 October 2012 14:20
		[PATCH v5 13/18] memcg/sl[au]b Track all the memcg children of a kmem_cache. By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 13/18] memcg/sl[au]b Track all the memcg children of a kmem_cache. By: JoonSoo Kim on Mon, 29 October 2012 15:26
		Re: [PATCH v5 13/18] memcg/sl[au]b Track all the memcg children of a kmem_cache. By: Glauber Costa on Tue, 30 October 2012 11:31
		[PATCH v5 14/18] memcg/sl[au]b: shrink dead caches By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 14/18] memcg/sl[au]b: shrink dead caches By: Christoph Lameter on Fri, 19 October 2012 19:47
		Re: [PATCH v5 14/18] memcg/sl[au]b: shrink dead caches By: Glauber Costa on Mon, 22 October 2012 07:37
		[PATCH v5 03/18] sl[au]b: process slabinfo_show in common code By: Glauber Costa on Fri, 19 October 2012 14:20
		[PATCH v5 01/18] move slabinfo processing to slab_common.c By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 01/18] move slabinfo processing to slab_common.c By: Pekka Enberg on Wed, 24 October 2012 06:43
		[PATCH v5 15/18] Aggregate memcg cache values in slabinfo By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 15/18] Aggregate memcg cache values in slabinfo By: Christoph Lameter on Fri, 19 October 2012 19:50
		Re: [PATCH v5 15/18] Aggregate memcg cache values in slabinfo By: Glauber Costa on Mon, 22 October 2012 15:11
		[PATCH v5 08/18] memcg: infrastructure to match an allocation to the right cache By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 08/18] memcg: infrastructure to match an allocation to the right cache By: JoonSoo Kim on Wed, 24 October 2012 18:10
		Re: [PATCH v5 08/18] memcg: infrastructure to match an allocation to the right cache By: Glauber Costa on Thu, 25 October 2012 11:05
		Re: [PATCH v5 08/18] memcg: infrastructure to match an allocation to the right cache By: Tejun Heo on Thu, 25 October 2012 18:06
		Re: [PATCH v5 08/18] memcg: infrastructure to match an allocation to the right cache By: Tejun Heo on Thu, 25 October 2012 18:08
		[PATCH v5 07/18] Allocate memory for memcg caches whenever a new memcg appears By: Glauber Costa on Fri, 19 October 2012 14:20
		[PATCH v5 12/18] memcg: destroy memcg caches By: Glauber Costa on Fri, 19 October 2012 14:20
		[PATCH v5 16/18] slab: propagate tunables values By: Glauber Costa on Fri, 19 October 2012 14:20
		Re: [PATCH v5 16/18] slab: propagate tunables values By: Christoph Lameter on Fri, 19 October 2012 19:51
		Re: [PATCH v5 16/18] slab: propagate tunables values By: Glauber Costa on Mon, 22 October 2012 07:48
		Re: [PATCH v5 16/18] slab: propagate tunables values By: Christoph Lameter on Tue, 23 October 2012 20:44

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