From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Glauber Costa <glommer@parallels.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Lameter <cl@linux.com>,
David Rientjes <rientjes@google.com>,
Pekka Enberg <penberg@kernel.org>,
Greg Thelen <gthelen@google.com>,
Johannes Weiner <hannes@cmpxchg.org>,
Michal Hocko <mhocko@suse.cz>,
Frederic Weisbecker <fweisbec@gmail.com>,
devel@openvz.org, cgroups@vger.kernel.org,
Suleiman Souhlal <suleiman@google.com>,
Pekka Enberg <penberg@cs.helsinki.fi>,
Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Subject: Re: [PATCH 01/10] slab/slub: struct memcg_params
Date: Wed, 25 Jul 2012 22:26:50 +0300 [thread overview]
Message-ID: <20120725192650.GA5163@shutemov.name> (raw)
In-Reply-To: <1343227101-14217-2-git-send-email-glommer@parallels.com>
On Wed, Jul 25, 2012 at 06:38:12PM +0400, Glauber Costa wrote:
> For the kmem slab controller, we need to record some extra
> information in the kmem_cache structure.
>
> Signed-off-by: Glauber Costa <glommer@parallels.com>
> Signed-off-by: Suleiman Souhlal <suleiman@google.com>
> CC: Christoph Lameter <cl@linux.com>
> CC: Pekka Enberg <penberg@cs.helsinki.fi>
> CC: Michal Hocko <mhocko@suse.cz>
> CC: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
> CC: Johannes Weiner <hannes@cmpxchg.org>
> ---
> include/linux/slab.h | 7 +++++++
> include/linux/slab_def.h | 4 ++++
> include/linux/slub_def.h | 3 +++
> 3 files changed, 14 insertions(+)
>
> diff --git a/include/linux/slab.h b/include/linux/slab.h
> index 0dd2dfa..3152bcd 100644
> --- a/include/linux/slab.h
> +++ b/include/linux/slab.h
> @@ -177,6 +177,13 @@ unsigned int kmem_cache_size(struct kmem_cache *);
> #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
> #endif
>
> +#ifdef CONFIG_MEMCG_KMEM
> +struct mem_cgroup_cache_params {
> + struct mem_cgroup *memcg;
> + int id;
> +};
IIUC, we only need the id to make slab name unique. Why can't we embed
the id to struct mem_cgroup? Is it possible to have multiple slabs with
the same combination of type, size, and memcg?
--
Kirill A. Shutemov
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2012-07-25 19:25 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-25 14:38 [PATCH 00/10] memcg kmem limitation - slab Glauber Costa
2012-07-25 14:38 ` [PATCH 01/10] slab/slub: struct memcg_params Glauber Costa
2012-07-25 19:26 ` Kirill A. Shutemov [this message]
2012-07-25 19:25 ` Glauber Costa
2012-07-25 14:38 ` [PATCH 02/10] consider a memcg parameter in kmem_create_cache Glauber Costa
2012-07-25 18:10 ` Kirill A. Shutemov
2012-07-26 9:42 ` Glauber Costa
2012-07-26 10:01 ` Kirill A. Shutemov
2012-07-26 10:27 ` Glauber Costa
2012-07-25 14:38 ` [PATCH 03/10] memcg: infrastructure to match an allocation to the right cache Glauber Costa
2012-07-25 21:53 ` Kirill A. Shutemov
2012-07-25 14:38 ` [PATCH 04/10] memcg: skip memcg kmem allocations in specified code regions Glauber Costa
2012-07-30 12:50 ` Kirill A. Shutemov
2012-07-30 14:09 ` Glauber Costa
2012-07-25 14:38 ` [PATCH 05/10] slab: allow enable_cpu_cache to use preset values for its tunables Glauber Costa
2012-07-25 17:05 ` Christoph Lameter
2012-07-25 18:24 ` Glauber Costa
2012-07-25 18:33 ` Christoph Lameter
2012-07-26 14:02 ` Glauber Costa
2012-07-25 14:38 ` [PATCH 06/10] sl[au]b: Allocate objects from memcg cache Glauber Costa
2012-07-30 12:58 ` Kirill A. Shutemov
2012-07-30 13:11 ` Glauber Costa
2012-07-25 14:38 ` [PATCH 07/10] memcg: destroy memcg caches Glauber Costa
2012-07-25 14:38 ` [PATCH 08/10] memcg/sl[au]b Track all the memcg children of a kmem_cache Glauber Costa
2012-07-25 14:38 ` [PATCH 09/10] slab: slab-specific propagation changes Glauber Costa
2012-07-25 17:07 ` Christoph Lameter
2012-07-25 14:38 ` [PATCH 10/10] memcg/sl[au]b: shrink dead caches Glauber Costa
2012-07-25 17:13 ` Christoph Lameter
2012-07-25 18:16 ` Glauber Costa
2012-07-31 16:30 ` [PATCH 00/10] memcg kmem limitation - slab Frederic Weisbecker
2012-07-31 16:39 ` Glauber Costa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120725192650.GA5163@shutemov.name \
--to=kirill@shutemov.name \
--cc=akpm@linux-foundation.org \
--cc=cgroups@vger.kernel.org \
--cc=cl@linux.com \
--cc=devel@openvz.org \
--cc=fweisbec@gmail.com \
--cc=glommer@parallels.com \
--cc=gthelen@google.com \
--cc=hannes@cmpxchg.org \
--cc=kamezawa.hiroyu@jp.fujitsu.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mhocko@suse.cz \
--cc=penberg@cs.helsinki.fi \
--cc=penberg@kernel.org \
--cc=rientjes@google.com \
--cc=suleiman@google.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).