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From: Hugh Dickins <hughd@google.com>
To: Tejun Heo <tj@kernel.org>
Cc: Hugh Dickins <hughd@google.com>,
	Filipe Brandenburger <filbranden@google.com>,
	Li Zefan <lizefan@huawei.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.cz>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Greg Thelen <gthelen@google.com>,
	Michel Lespinasse <walken@google.com>,
	Markus Blank-Burian <burian@muenster.de>,
	Shawn Bohrer <shawn.bohrer@gmail.com>,
	cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [PATCH] cgroup: use an ordered workqueue for cgroup destruction
Date: Fri, 7 Feb 2014 13:06:00 -0800 (PST)	[thread overview]
Message-ID: <alpine.LSU.2.11.1402071300300.926@eggly.anvils> (raw)
In-Reply-To: <20140207203508.GC8833@htj.dyndns.org>

On Fri, 7 Feb 2014, Tejun Heo wrote:
> On Fri, Feb 07, 2014 at 12:20:44PM -0800, Hugh Dickins wrote:
> 
> > You don't return to this concern in the following mails of the thread:
> > did you later decide that it actually won't be a problem?  I'll assume
> > so for the moment, since you took the patch, but please reassure me.
> 
> I was just worrying about a different solution where we take
> css_offline invocation outside of cgroup_mutex and bumping up
> max_active.  There's nothing to worry about your patch.  Sorry about
> not being clear.  :)

Thanks a lot for your detailed and admirably responsive explanations.
You were looking ahead, I see that now, and I'm gratefully reassured :)

Hugh

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WARNING: multiple messages have this Message-ID (diff)
From: Hugh Dickins <hughd@google.com>
To: Tejun Heo <tj@kernel.org>
Cc: Hugh Dickins <hughd@google.com>,
	Filipe Brandenburger <filbranden@google.com>,
	Li Zefan <lizefan@huawei.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Michal Hocko <mhocko@suse.cz>,
	Johannes Weiner <hannes@cmpxchg.org>,
	Greg Thelen <gthelen@google.com>,
	Michel Lespinasse <walken@google.com>,
	Markus Blank-Burian <burian@muenster.de>,
	Shawn Bohrer <shawn.bohrer@gmail.com>,
	cgroups@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [PATCH] cgroup: use an ordered workqueue for cgroup destruction
Date: Fri, 7 Feb 2014 13:06:00 -0800 (PST)	[thread overview]
Message-ID: <alpine.LSU.2.11.1402071300300.926@eggly.anvils> (raw)
In-Reply-To: <20140207203508.GC8833@htj.dyndns.org>

On Fri, 7 Feb 2014, Tejun Heo wrote:
> On Fri, Feb 07, 2014 at 12:20:44PM -0800, Hugh Dickins wrote:
> 
> > You don't return to this concern in the following mails of the thread:
> > did you later decide that it actually won't be a problem?  I'll assume
> > so for the moment, since you took the patch, but please reassure me.
> 
> I was just worrying about a different solution where we take
> css_offline invocation outside of cgroup_mutex and bumping up
> max_active.  There's nothing to worry about your patch.  Sorry about
> not being clear.  :)

Thanks a lot for your detailed and admirably responsive explanations.
You were looking ahead, I see that now, and I'm gratefully reassured :)

Hugh

  reply	other threads:[~2014-02-07 21:06 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-06 23:56 [PATCH] cgroup: use an ordered workqueue for cgroup destruction Hugh Dickins
2014-02-06 23:56 ` Hugh Dickins
2014-02-06 23:56 ` Hugh Dickins
     [not found] ` <alpine.LSU.2.11.1402061541560.31342-fupSdm12i1nKWymIFiNcPA@public.gmane.org>
2014-02-07 13:45   ` Michal Hocko
2014-02-07 13:45     ` Michal Hocko
2014-02-07 13:45     ` Michal Hocko
2014-02-07 16:43   ` Johannes Weiner
2014-02-07 16:43     ` Johannes Weiner
2014-02-07 16:43     ` Johannes Weiner
     [not found]     ` <20140207164321.GE6963-druUgvl0LCNAfugRpC6u6w@public.gmane.org>
2014-02-10 15:46       ` Michal Hocko
2014-02-10 15:46         ` Michal Hocko
2014-02-10 15:46         ` Michal Hocko
2014-02-12 22:59       ` Hugh Dickins
2014-02-12 22:59         ` Hugh Dickins
2014-02-12 22:59         ` Hugh Dickins
     [not found]         ` <alpine.LSU.2.11.1402121417230.5029-fupSdm12i1nKWymIFiNcPA@public.gmane.org>
2014-02-12 23:06           ` [PATCH 2/2] cgroup: bring back kill_cnt to order css destruction Hugh Dickins
2014-02-12 23:06             ` Hugh Dickins
2014-02-12 23:06             ` Hugh Dickins
2014-02-13  0:28             ` Tejun Heo
2014-02-13  0:28               ` Tejun Heo
2014-02-13  0:38               ` Hugh Dickins
2014-02-13  0:38                 ` Hugh Dickins
2014-02-13  0:09         ` [PATCH] Revert "cgroup: use an ordered workqueue for cgroup destruction" Tejun Heo
2014-02-13  0:09           ` Tejun Heo
2014-02-13  0:09           ` Tejun Heo
2014-02-07 14:04 ` [PATCH] cgroup: use an ordered workqueue for cgroup destruction Tejun Heo
2014-02-07 14:04   ` Tejun Heo
2014-02-07 14:37   ` Michal Hocko
2014-02-07 14:37     ` Michal Hocko
     [not found]     ` <20140207143740.GD5121-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2014-02-07 15:13       ` Tejun Heo
2014-02-07 15:13         ` Tejun Heo
2014-02-07 15:13         ` Tejun Heo
2014-02-07 15:28         ` Michal Hocko
2014-02-07 15:28           ` Michal Hocko
     [not found]   ` <20140207140402.GA3304-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2014-02-07 20:20     ` Hugh Dickins
2014-02-07 20:20       ` Hugh Dickins
2014-02-07 20:20       ` Hugh Dickins
2014-02-07 20:35       ` Tejun Heo
2014-02-07 20:35         ` Tejun Heo
2014-02-07 21:06         ` Hugh Dickins [this message]
2014-02-07 21:06           ` Hugh Dickins
2014-02-07 15:21 ` Tejun Heo
2014-02-07 15:21   ` Tejun Heo

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