Dave Hansen <hansendc@xxxxxxxxxx> writes: > On Mon, 2007-03-26 at 11:12 -0600, Eric W. Biederman wrote: >> >> > In (at least one version of) Dave's patches, the /proc your pidns is >> > automatically used when you use /proc. In that case a /proc should >> > just go away when the last task goes away, since noone else can use >> > that /proc. >> >> Unless I am rather confused that does extremely nasty things to >> the VFS dentry cache. Because a dentry can point at one process >> one minute and another process the next. It is doable but only >> at the cost of decreased performance. > > By using, I think Serge meant "mounting". We're going to statically > assign a /proc mount to a namespace when the mount is created, not fudge > it around at runtime. I think Serge misread that. He specifically talked about not having to remount /proc. Therefore I believe he understood it did something at runtime. > How does this thrash the dcache? Fudging at runtime is horrible. Caching the pid_mnt in the pid_namespace appears fine, as long as we get the reference counting correct. Eric _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
