From: ebiederm@xxxxxxxxxxxx (Eric W. Biederman) Date: Thu, 13 Oct 2016 22:06:28 -0500 > Oh that is a surprise. We can definitely skip genenerating uevents for > network namespaces that are exiting because by definition no one can see > those network namespaces. If a socket existed that could see those > uevents it would hold a reference to the network namespace and as such > the network namespace could not exit. > > That sounds like it is worth investigating a little more deeply. > > I am surprised that allocation and freeing is so heavy we are spending > lots of time doing that. On the other hand kobj_bcast_filter is very > dumb and very late so I expect something can be moved earlier and make > that code cheaper with the tiniest bit of work. I definitely would rather see the uevents removed to kill ~%99 of the namespace removal overhead rather than limiting. _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/containers
