From: Glauber Costa <glommer@parallels.com>
To: Kamezawa Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>,
linux-mm <linux-mm@kvack.org>,
David Rientjes <rientjes@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Michal Hocko <mhocko@suse.cz>, Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH v2 1/2] memcg: add res_counter_usage_safe()
Date: Wed, 4 Jul 2012 13:40:09 +0400 [thread overview]
Message-ID: <4FF40F79.60901@parallels.com> (raw)
In-Reply-To: <4FF40D33.4030704@jp.fujitsu.com>
On 07/04/2012 01:30 PM, Kamezawa Hiroyuki wrote:
>>
>
> I think asking applications to handle usage > limit case will cause
> trouble and we can keep simple interface by lying here. And,
> applications doesn't need to handle this case.
>
> From the viewpoint of our enterprise service, it's better to keep
> usage <= limit for avoiding unnecessary, unimportant, troubles.
>
> Thanks,
> -Kame
One thing to keep in mind, is that usage is already a lie. Mostly
because of batching.
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prev parent reply other threads:[~2012-07-04 9:42 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-04 2:56 Kamezawa Hiroyuki
2012-07-04 2:58 ` [PATCH v2 2/2] memcg: remove -ENOMEM at page migration Kamezawa Hiroyuki
2012-07-04 8:30 ` Johannes Weiner
2012-07-04 8:39 ` Kamezawa Hiroyuki
2012-07-04 12:04 ` Michal Hocko
2012-07-04 13:13 ` Johannes Weiner
2012-07-04 13:38 ` Michal Hocko
2012-07-04 9:14 ` [PATCH v2 1/2] memcg: add res_counter_usage_safe() Johannes Weiner
2012-07-04 9:30 ` Kamezawa Hiroyuki
2012-07-04 9:40 ` Glauber Costa [this message]
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