From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Serge E. Hallyn" Subject: Re: CLONE_NEWIPC documentation Date: Sun, 23 Nov 2008 16:48:42 -0600 Message-ID: <20081123224842.GD12687@hallyn.com> References: <4924651C.4080909@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Eric W. Biederman" Cc: Michael Kerrisk , Kirill Korotaev , Pavel Emelianov , Cedric Le Goater , lkml , linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-man@vger.kernel.org Quoting Eric W. Biederman (ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org): > > +This flag is intended for the implementation of control groups. > > The above sentence is wrong. > > +This flag is intended for the implementation of containers. > > Would be correct. > > Both control groups and namespaces feed into the user space container > concept. Control groups are multiprocess resource limits. > Namespaces are affect the mapping from resource name to resource. > > What is interesting is you can unshare a sysvipc namespace and still have > sysvipc shared memory mapped from another sysvipc namespace. > > This is something that needs to be watched for. Oh, I see, so please disregard my last msg, it seems Eric was plenty clear. thanks, -serge -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html