From: Glauber Costa <glommer-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
To: KAMEZAWA Hiroyuki
<kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
Cc: Suleiman Souhlal
<ssouhlal-HZy0K5TPuP5AfugRpC6u6w@public.gmane.org>,
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devel-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2 02/13] memcg: Kernel memory accounting infrastructure.
Date: Thu, 15 Mar 2012 15:07:15 +0400 [thread overview]
Message-ID: <4F61CD63.4090007@parallels.com> (raw)
In-Reply-To: <4F613C5B.8030304-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
On 03/15/2012 04:48 AM, KAMEZAWA Hiroyuki wrote:
>>> - What happens when a new cgroup created ?
>> >
>> > mem_cgroup_create() is called =)
>> > Heh, jokes apart, I don't really follow here. What exactly do you mean?
>> > There shouldn't be anything extremely out of the ordinary.
>> >
>
> Sorry, too short words.
>
> Assume a cgroup with
> cgroup.memory.limit_in_bytes=1G
> cgroup.memory.kmem.limit_in_bytes=400M
>
> When a child cgroup is created, what should be the default values.
> 'unlimited' as current implementation ?
> Hmm..maybe yes.
I think so, yes. I see no reason to come up with any default values
in memcg. Yes, your allocations can fail due to your parent limits.
But since I never heard of any machine with
9223372036854775807 bytes of memory, that is true even for the root memcg =)
next prev parent reply other threads:[~2012-03-15 11:07 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-09 20:39 [PATCH v2 00/13] Memcg Kernel Memory Tracking Suleiman Souhlal
2012-03-09 20:39 ` [PATCH v2 01/13] memcg: Consolidate various flags into a single flags field Suleiman Souhlal
2012-03-11 7:50 ` Glauber Costa
2012-03-09 20:39 ` [PATCH v2 02/13] memcg: Kernel memory accounting infrastructure Suleiman Souhlal
[not found] ` <1331325556-16447-3-git-send-email-ssouhlal-HZy0K5TPuP5AfugRpC6u6w@public.gmane.org>
2012-03-11 8:12 ` Glauber Costa
2012-03-13 6:24 ` KAMEZAWA Hiroyuki
2012-03-13 10:37 ` Glauber Costa
2012-03-13 17:00 ` Greg Thelen
[not found] ` <xr93d38g77w5.fsf-aSPv4SP+Du0KgorLzL7FmE7CuiCeIGUxQQ4Iyu8u01E@public.gmane.org>
2012-03-13 17:31 ` Glauber Costa
2012-03-14 0:15 ` KAMEZAWA Hiroyuki
2012-03-14 12:29 ` Glauber Costa
2012-03-15 0:48 ` KAMEZAWA Hiroyuki
[not found] ` <4F613C5B.8030304-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
2012-03-15 11:07 ` Glauber Costa [this message]
2012-03-15 11:13 ` Peter Zijlstra
2012-03-15 11:21 ` Glauber Costa
2012-03-12 12:38 ` Glauber Costa
2012-03-09 20:39 ` [PATCH v2 03/13] memcg: Uncharge all kmem when deleting a cgroup Suleiman Souhlal
2012-03-11 8:19 ` Glauber Costa
2012-03-13 23:16 ` Suleiman Souhlal
2012-03-14 11:59 ` Glauber Costa
[not found] ` <1331325556-16447-4-git-send-email-ssouhlal-HZy0K5TPuP5AfugRpC6u6w@public.gmane.org>
2012-03-13 6:27 ` KAMEZAWA Hiroyuki
2012-03-09 20:39 ` [PATCH v2 04/13] memcg: Make it possible to use the stock for more than one page Suleiman Souhlal
[not found] ` <1331325556-16447-5-git-send-email-ssouhlal-HZy0K5TPuP5AfugRpC6u6w@public.gmane.org>
2012-03-11 10:49 ` Glauber Costa
2012-03-09 20:39 ` [PATCH v2 05/13] memcg: Reclaim when more than one page needed Suleiman Souhlal
2012-03-09 20:39 ` [PATCH v2 06/13] slab: Add kmem_cache_gfp_flags() helper function Suleiman Souhlal
2012-03-11 10:53 ` Glauber Costa
[not found] ` <4F5C8414.5090800-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-03-13 23:21 ` Suleiman Souhlal
[not found] ` <CABCjUKCioWO-F7k=hVs_18B3uyL4zG3-krPFDh++YAnmejKKdg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-03-14 11:48 ` Glauber Costa
[not found] ` <4F608579.5090109-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-03-14 22:08 ` Suleiman Souhlal
2012-03-09 20:39 ` [PATCH v2 07/13] memcg: Slab accounting Suleiman Souhlal
[not found] ` <1331325556-16447-8-git-send-email-ssouhlal-HZy0K5TPuP5AfugRpC6u6w@public.gmane.org>
2012-03-11 10:25 ` Glauber Costa
2012-03-13 22:50 ` Suleiman Souhlal
2012-03-14 10:47 ` Glauber Costa
[not found] ` <4F60775F.20709-bzQdu9zFT3WakBO8gow8eQ@public.gmane.org>
2012-03-14 22:04 ` Suleiman Souhlal
[not found] ` <CABCjUKCWaXTzsVaFHG57ELWV4Yk15vt=Ei8tvbsxpQKnxTmksg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-03-15 11:40 ` Glauber Costa
2012-03-09 20:39 ` [PATCH v2 08/13] memcg: Make dentry slab memory accounted in kernel memory accounting Suleiman Souhlal
2012-03-09 20:39 ` [PATCH v2 09/13] memcg: Account for kmalloc " Suleiman Souhlal
2012-03-11 12:21 ` Glauber Costa
2012-03-09 20:39 ` [PATCH v2 10/13] memcg: Track all the memcg children of a kmem_cache Suleiman Souhlal
2012-03-09 20:39 ` [PATCH v2 11/13] memcg: Handle bypassed kernel memory charges Suleiman Souhlal
2012-03-09 20:39 ` [PATCH v2 12/13] memcg: Per-memcg memory.kmem.slabinfo file Suleiman Souhlal
2012-03-11 10:35 ` Glauber Costa
2012-03-09 20:39 ` [PATCH v2 13/13] memcg: Document kernel memory accounting Suleiman Souhlal
[not found] ` <1331325556-16447-14-git-send-email-ssouhlal-HZy0K5TPuP5AfugRpC6u6w@public.gmane.org>
2012-03-11 10:42 ` Glauber Costa
[not found] ` <1331325556-16447-1-git-send-email-ssouhlal-HZy0K5TPuP5AfugRpC6u6w@public.gmane.org>
2012-03-10 6:25 ` [PATCH v2 00/13] Memcg Kernel Memory Tracking Suleiman Souhlal
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