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From: Cyril Hrubis <chrubis-AlSwsSmVLrQ@public.gmane.org>
To: Michal Hocko <mhocko-AlSwsSmVLrQ@public.gmane.org>
Cc: Nikolay Borisov <kernel-6AxghH7DbtA@public.gmane.org>,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org,
	linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org
Subject: Re: Possible bug - LTP failure for memcg
Date: Thu, 14 May 2015 14:01:42 +0200	[thread overview]
Message-ID: <20150514120142.GG5066@rei.suse.de> (raw)
In-Reply-To: <20150514115641.GE6799-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>

Hi!
> > The previous testcases does exactly this but moves the process to the
> > parent with:
> > 
> > echo $pid > ../tasks
> > 
> > Before it tries the force_empty and expects it to succeed.
> > 
> > Was this some old implementation limitation that has been lifted
> > meanwhile?
> 
> OK, now I remember... f61c42a7d911 ("memcg: remove tasks/children test
> from mem_cgroup_force_empty()") which goes back to 3.16. So the test
> case is invalid.

Then please send a patch to remove the test.

-- 
Cyril Hrubis
chrubis-AlSwsSmVLrQ@public.gmane.org

  parent reply	other threads:[~2015-05-14 12:01 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-13 15:29 Possible bug - LTP failure for memcg Nikolay Borisov
2015-05-14  9:21 ` Michal Hocko
     [not found]   ` <20150514092145.GA6799-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2015-05-14  9:23     ` Michal Hocko
2015-05-14 10:35       ` Cyril Hrubis
2015-05-14 11:31         ` Michal Hocko
     [not found]           ` <20150514113101.GD6799-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2015-05-14 12:36             ` Cyril Hrubis
2015-05-14 10:31     ` Cyril Hrubis
     [not found]       ` <20150514103148.GA5066-J5syqNJeCN4b1SvskN2V4Q@public.gmane.org>
2015-05-14 11:56         ` Michal Hocko
     [not found]           ` <20150514115641.GE6799-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2015-05-14 12:01             ` Cyril Hrubis [this message]
     [not found]               ` <20150514120142.GG5066-J5syqNJeCN4b1SvskN2V4Q@public.gmane.org>
2015-05-14 12:12                 ` Michal Hocko
2015-05-14 12:38                   ` Cyril Hrubis
2015-05-14 14:30                     ` Michal Hocko
     [not found]                       ` <20150514143039.GI6799-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2015-05-14 14:44                         ` Cyril Hrubis
2015-05-14 14:49                           ` Michal Hocko
     [not found]                             ` <20150514144949.GJ6799-2MMpYkNvuYDjFM9bn6wA6Q@public.gmane.org>
2015-05-14 15:27                               ` Cyril Hrubis
     [not found] ` <55536DC9.90200-6AxghH7DbtA@public.gmane.org>
2015-05-14 12:09   ` Michal Hocko

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