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Re: [PATCH 00/10] memcg: Kernel Memory Accounting. [message #45792 is a reply to message #45782]

Tue, 28 February 2012 08:49

Pekka Enberg
Messages: 22
Registered: November 2006

Junior Member

On Mon, 27 Feb 2012, Suleiman Souhlal wrote:
> The main difference with Glauber's patches is here: We try to
> track all the slab allocations, while Glauber only tracks ones
> that are explicitly marked.
> We feel that it's important to track everything, because there
> are a lot of different slab allocations that may use significant
> amounts of memory, that we may not know of ahead of time.
> This is also the main source of complexity in the patchset.

Well, what are the performance implications of your patches? Can we
reasonably expect distributions to be able to enable this thing on
generic kernels and leave the feature disabled by default? Can we
accommodate your patches to support Glauber's use case?

Pekka

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[Message index]

		[PATCH 00/10] memcg: Kernel Memory Accounting. By: Suleiman Souhlal on Mon, 27 February 2012 22:58
		[PATCH 04/10] memcg: Introduce __GFP_NOACCOUNT. By: Suleiman Souhlal on Mon, 27 February 2012 22:58
		[PATCH 03/10] memcg: Reclaim when more than one page needed. By: Suleiman Souhlal on Mon, 27 February 2012 22:58
		[PATCH 09/10] memcg: Per-memcg memory.kmem.slabinfo file. By: Suleiman Souhlal on Mon, 27 February 2012 22:58
		[PATCH 05/10] memcg: Slab accounting. By: Suleiman Souhlal on Mon, 27 February 2012 22:58
		[PATCH 10/10] memcg: Document kernel memory accounting. By: Suleiman Souhlal on Mon, 27 February 2012 22:58
		[PATCH 02/10] memcg: Uncharge all kmem when deleting a cgroup. By: Suleiman Souhlal on Mon, 27 February 2012 22:58
		[PATCH 06/10] memcg: Track all the memcg children of a kmem_cache. By: Suleiman Souhlal on Mon, 27 February 2012 22:58
		[PATCH 07/10] memcg: Stop res_counter underflows. By: Suleiman Souhlal on Mon, 27 February 2012 22:58
		[PATCH 08/10] memcg: Add CONFIG_CGROUP_MEM_RES_CTLR_KMEM_ACCT_ROOT. By: Suleiman Souhlal on Mon, 27 February 2012 22:58
		Re: [PATCH 00/10] memcg: Kernel Memory Accounting. By: Pekka Enberg on Tue, 28 February 2012 08:49
		Re: [PATCH 00/10] memcg: Kernel Memory Accounting. By: Suleiman Souhlal on Tue, 28 February 2012 22:12
		[PATCH 01/10] memcg: Kernel memory accounting infrastructure. By: Suleiman Souhlal on Mon, 27 February 2012 22:58

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