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From: Peter Zijlstra <peterz@infradead.org>
To: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Michal Hocko <mhocko@kernel.org>,
	Donald Buczek <buczek@molgen.mpg.de>,
	Paul Menzel <pmenzel@molgen.mpg.de>,
	dvteam@molgen.mpg.de, linux-mm@kvack.org,
	linux-kernel@vger.kernel.org,
	Josh Triplett <josh@joshtriplett.org>
Subject: Re: INFO: rcu_sched detected stalls on CPUs/tasks with `kswapd` and `mem_cgroup_shrink_node`
Date: Thu, 1 Dec 2016 19:49:47 +0100	[thread overview]
Message-ID: <20161201184947.GR3045@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <20161201184252.GP3924@linux.vnet.ibm.com>

On Thu, Dec 01, 2016 at 10:42:52AM -0800, Paul E. McKenney wrote:
> On Thu, Dec 01, 2016 at 07:09:53PM +0100, Peter Zijlstra wrote:
> > Thing is, I'm slightly uncomfortable with de-coupling rcu-sched from
> > actual schedule() calls.
> 
> OK, what is the source of your discomfort?

Good question; after a little thought its not much different from other
cases. So let me ponder this a bit more..

  reply	other threads:[~2016-12-01 18:49 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <24c226a5-1a4a-173e-8b4e-5107a2baac04@molgen.mpg.de>
2016-11-08 12:22 ` INFO: rcu_sched detected stalls on CPUs/tasks with `kswapd` and `mem_cgroup_shrink_node` Paul Menzel
2016-11-08 17:03   ` Paul E. McKenney
2016-11-08 17:38     ` Paul Menzel
2016-11-08 18:39       ` Paul E. McKenney
2016-11-16 17:01         ` Paul Menzel
2016-11-16 17:30           ` Paul E. McKenney
2016-11-21 13:41             ` Michal Hocko
2016-11-21 14:01               ` Paul E. McKenney
2016-11-21 14:18                 ` Michal Hocko
2016-11-21 14:29                   ` Paul E. McKenney
2016-11-21 15:35                     ` Donald Buczek
2016-11-24 10:15                       ` Michal Hocko
2016-11-24 18:50                         ` Donald Buczek
2016-11-27  9:37                           ` Paul Menzel
2016-11-27  5:32                         ` Christopher S. Aker
2016-11-27  9:19                         ` Donald Buczek
2016-11-28 11:04                           ` Michal Hocko
2016-11-28 12:26                             ` Paul Menzel
2016-11-30 10:28                               ` Donald Buczek
2016-11-30 11:09                                 ` Michal Hocko
2016-11-30 11:43                                   ` Donald Buczek
2016-12-02  9:14                                     ` Donald Buczek
2016-12-06  8:32                                       ` Donald Buczek
2016-11-30 11:53                                   ` Paul E. McKenney
2016-11-30 11:54                                     ` Paul E. McKenney
2016-11-30 12:31                                       ` Paul Menzel
2016-11-30 14:31                                         ` Paul E. McKenney
2016-11-30 13:19                                     ` Michal Hocko
2016-11-30 14:29                                       ` Paul E. McKenney
2016-11-30 16:38                                         ` Peter Zijlstra
2016-11-30 17:02                                           ` Paul E. McKenney
2016-11-30 17:05                                           ` Michal Hocko
2016-11-30 17:23                                             ` Paul E. McKenney
2016-11-30 17:34                                               ` Michal Hocko
2016-11-30 17:50                                             ` Peter Zijlstra
2016-11-30 19:40                                               ` Paul E. McKenney
2016-12-01  5:30                                                 ` Peter Zijlstra
2016-12-01 12:40                                                   ` Paul E. McKenney
2016-12-01 16:36                                                     ` Peter Zijlstra
2016-12-01 16:59                                                       ` Paul E. McKenney
2016-12-01 18:09                                                         ` Peter Zijlstra
2016-12-01 18:42                                                           ` Paul E. McKenney
2016-12-01 18:49                                                             ` Peter Zijlstra [this message]
     [not found] <20161125212000.GI31360@linux.vnet.ibm.com>
     [not found] ` <20161128095825.GI14788@dhcp22.suse.cz>
     [not found]   ` <20161128105425.GY31360@linux.vnet.ibm.com>
     [not found]     ` <3a4242cb-0198-0a3b-97ae-536fb5ff83ec@kernelpanic.ru>
     [not found]       ` <20161128143435.GC3924@linux.vnet.ibm.com>
     [not found]         ` <eba1571e-f7a8-09b3-5516-c2bc35b38a83@kernelpanic.ru>
     [not found]           ` <20161128150509.GG3924@linux.vnet.ibm.com>
     [not found]             ` <66fd50e1-a922-846a-f427-7654795bd4b5@kernelpanic.ru>
     [not found]               ` <20161130174802.GM18432@dhcp22.suse.cz>
     [not found]                 ` <fd34243c-2ebf-c14b-55e6-684a9dc614e7@kernelpanic.ru>
     [not found]                   ` <20161130182552.GN18432@dhcp22.suse.cz>
2016-12-01 18:10                     ` Boris Zhmurov
2016-12-01 19:39                       ` Paul E. McKenney
2016-12-02  9:37                       ` Michal Hocko
2016-12-02 13:52                         ` Paul E. McKenney
2016-12-02 16:39                       ` Boris Zhmurov
2016-12-02 16:44                         ` Paul E. McKenney
2016-12-02 17:02                           ` Michal Hocko
2016-12-02 17:15                             ` Paul E. McKenney

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