From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [RFC] cgroup TODOs Date: Fri, 21 Sep 2012 14:40:02 -0700 Message-ID: <20120921214002.GA7694@google.com> References: <20120913205827.GO7677@google.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; bh=dscS66GFIsmEgGdI31n/K0jMVH41tuKMX0j3EIJJFSY=; b=vQf/o5zI90/E4c4inNF/EQm7gHMv/VjHJsj0cEig9P3uFF1aQancDYali3M4JclmGK rw2ASHwgdf3uMXAjD4FOeO/3LANsE8nfXkJlrbQpGQ/LIVi4ZbVM5hXIRxXrBd/Rvj57 Ftwva/KLeAtS8OfkPiVWCqSEduY7cK5m4Isnt+gczWkacivqZMgzpgvdXXhbUnUSCOkG naqm1RppU6I2uf1epUEEHdiFY79jXPJsJNU3cZNDzRGi49Goo1PwNgPSw0b5tFYjwex2 2RPm8paTTbcF6eDzEJwGzEYuPE7Jtz+ijQLCG5v8yX9TXMqrI+hWdiuaQaPfF3+YIhdz CQLA== Content-Disposition: inline In-Reply-To: <20120913205827.GO7677-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Li Zefan , Michal Hocko , Glauber Costa , Peter Zijlstra , Paul Turner , Johannes Weiner , Thomas Graf , "Serge E. Hallyn" , Paul Mackerras , Ingo Molnar , Arnaldo Carvalho de Melo , Neil Horman , "Aneesh Kumar K.V" On Thu, Sep 13, 2012 at 01:58:27PM -0700, Tejun Heo wrote: > 7. Misc issues > > * Sort & unique when listing tasks. Even the documentation says it > doesn't happen but we have a good hunk of code doing it in > cgroup.c. I'm gonna rip it out at some point. Again, if you > don't like it, scream. > > * At the PLC, pjt told me that assinging threads of a cgroup to > different cgroups is useful for some use cases but if we're to > have a unified hierarchy, I don't think we can continue to do > that. Paul, can you please elaborate the use case? > > * Vivek brought up the issue of distributing resources to tasks and > groups in the same cgroup. I don't know. Need to think more > about it. * Update docs. * Clean up cftype->read/write*() mess. * Use sane fs event mechanism. * Drop userland helper based empty notification. Argh... -- tejun