From: Glauber Costa <glommer@parallels.com>
To: Christoph Lameter <cl@linux.com>
Cc: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
linux-mm@kvack.org, kamezawa.hiroyu@jp.fujitsu.com,
Tejun Heo <tj@kernel.org>, Li Zefan <lizefan@huawei.com>,
Greg Thelen <gthelen@google.com>,
Suleiman Souhlal <suleiman@google.com>,
Michal Hocko <mhocko@suse.cz>,
Johannes Weiner <hannes@cmpxchg.org>,
devel@openvz.org, Pekka Enberg <penberg@cs.helsinki.fi>
Subject: Re: [PATCH v2 04/29] slub: always get the cache from its page in kfree
Date: Fri, 11 May 2012 15:58:49 -0300 [thread overview]
Message-ID: <4FAD6169.8090409@parallels.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1205111354540.386@router.home>
On 05/11/2012 03:56 PM, Christoph Lameter wrote:
> On Fri, 11 May 2012, Glauber Costa wrote:
>
>> So we don't mix pages from multiple memcgs in the same cache - we believe that
>> would be too confusing.
>
> Well subsystem create caches and other things that are shared between
> multiple processes. How can you track that?
Each process that belongs to a memcg triggers the creation of a new
child kmem cache.
>> /proc/slabinfo reflects this information, by listing the memcg-specific slabs.
>
> What about /sys/kernel/slab/*?
From the PoV of the global system, what you'll see is something like:
dentry , dentry(2:memcg1), dentry(2:memcg2), etc.
No attempt is made to provide any view of those caches in a logically
grouped way - the global system can view them independently.
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next prev parent reply other threads:[~2012-05-11 19:00 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-11 17:44 [PATCH v2 00/29] kmem limitation for memcg Glauber Costa
2012-05-11 17:44 ` [PATCH v2 01/29] slab: dup name string Glauber Costa
2012-05-15 22:04 ` David Rientjes
2012-05-16 6:12 ` Glauber Costa
2012-05-11 17:44 ` [PATCH v2 02/29] slub: fix slab_state for slub Glauber Costa
2012-05-11 17:51 ` Christoph Lameter
2012-05-15 21:55 ` David Rientjes
2012-05-16 6:10 ` Glauber Costa
2012-05-17 10:14 ` Glauber Costa
2012-05-11 17:44 ` [PATCH v2 03/29] memcg: Always free struct memcg through schedule_work() Glauber Costa
2012-05-11 17:44 ` [PATCH v2 04/29] slub: always get the cache from its page in kfree Glauber Costa
2012-05-11 17:53 ` Christoph Lameter
2012-05-11 17:57 ` Glauber Costa
2012-05-11 18:06 ` Christoph Lameter
2012-05-11 18:11 ` Glauber Costa
2012-05-11 18:17 ` Christoph Lameter
2012-05-11 18:20 ` Glauber Costa
2012-05-11 18:32 ` Christoph Lameter
2012-05-11 18:42 ` Glauber Costa
2012-05-11 18:56 ` Christoph Lameter
2012-05-11 18:58 ` Glauber Costa [this message]
2012-05-11 19:09 ` Christoph Lameter
2012-05-11 19:11 ` Glauber Costa
2012-05-11 19:20 ` Christoph Lameter
2012-05-11 19:24 ` Glauber Costa
2012-05-11 17:44 ` [PATCH v2 05/29] slab: rename gfpflags to allocflags Glauber Costa
2012-05-11 17:54 ` Christoph Lameter
2012-05-15 21:57 ` David Rientjes
2012-05-11 17:44 ` [PATCH v2 06/29] memcg: Make it possible to use the stock for more than one page Glauber Costa
2012-05-11 17:44 ` [PATCH v2 07/29] memcg: Reclaim when more than one page needed Glauber Costa
2012-05-11 17:44 ` [PATCH v2 08/29] slab: use obj_size field of struct kmem_cache when not debugging Glauber Costa
2012-05-11 17:44 ` [PATCH v2 09/29] memcg: change defines to an enum Glauber Costa
2012-05-11 17:44 ` [PATCH v2 10/29] res_counter: don't force return value checking in res_counter_charge_nofail Glauber Costa
2012-05-11 17:44 ` [PATCH v2 11/29] cgroups: ability to stop res charge propagation on bounded ancestor Glauber Costa
2012-05-15 2:59 ` KAMEZAWA Hiroyuki
2012-05-16 6:16 ` Glauber Costa
2012-05-11 17:44 ` [PATCH v2 12/29] kmem slab accounting basic infrastructure Glauber Costa
2012-05-11 17:44 ` [PATCH v2 13/29] slab/slub: struct memcg_params Glauber Costa
2012-05-11 17:44 ` [PATCH v2 14/29] slub: consider a memcg parameter in kmem_create_cache Glauber Costa
2012-05-11 17:44 ` [PATCH v2 15/29] slab: pass memcg parameter to kmem_cache_create Glauber Costa
2012-05-11 17:44 ` [PATCH v2 16/29] slub: create duplicate cache Glauber Costa
2012-05-11 17:44 ` [PATCH v2 17/29] slab: " Glauber Costa
2012-05-11 17:44 ` [PATCH v2 18/29] memcg: kmem controller charge/uncharge infrastructure Glauber Costa
2012-05-15 2:57 ` KAMEZAWA Hiroyuki
2012-05-16 6:42 ` Glauber Costa
2012-05-16 8:18 ` KAMEZAWA Hiroyuki
2012-05-16 8:25 ` Glauber Costa
2012-05-16 9:15 ` KAMEZAWA Hiroyuki
2012-05-11 17:44 ` [PATCH v2 19/29] skip memcg kmem allocations in specified code regions Glauber Costa
2012-05-15 2:46 ` KAMEZAWA Hiroyuki
2012-05-16 6:19 ` Glauber Costa
2012-05-16 7:55 ` KAMEZAWA Hiroyuki
2012-05-11 17:44 ` [PATCH v2 20/29] slub: charge allocation to a memcg Glauber Costa
2012-05-11 17:44 ` [PATCH v2 21/29] slab: per-memcg accounting of slab caches Glauber Costa
2012-05-11 17:44 ` [PATCH v2 22/29] memcg: disable kmem code when not in use Glauber Costa
2012-05-11 17:44 ` [PATCH v2 23/29] memcg: destroy memcg caches Glauber Costa
2012-05-11 17:44 ` [PATCH v2 24/29] memcg/slub: shrink dead caches Glauber Costa
2012-05-11 17:44 ` [PATCH v2 25/29] memcg: Track all the memcg children of a kmem_cache Glauber Costa
2012-05-11 17:44 ` [PATCH v2 26/29] memcg: Per-memcg memory.kmem.slabinfo file Glauber Costa
2012-05-11 17:44 ` [PATCH v2 27/29] slub: create slabinfo file for memcg Glauber Costa
2012-05-11 17:44 ` [PATCH v2 28/29] slub: track all children of a kmem cache Glauber Costa
2012-05-11 17:44 ` [PATCH v2 29/29] Documentation: add documentation for slab tracker for memcg Glauber Costa
2012-05-11 18:05 ` [PATCH v2 00/29] kmem limitation " Glauber Costa
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