Eric W. Biederman wrote: > This reverts commit 373beb35cd6b625e0ba4ad98baace12310a26aa8. > > No one is using this identifier yet. The purpose of this identifier > is to export nsproxy to user space which is wrong. nsproxy is > an internal implementation optimization, which should keep our > fork times from getting slower as we increase the number of global > namespaces you don't have to share. > > Adding a global identifier like this is inappropriate because it makes > namespaces inherently non-recursive, greatly limiting what we can > do with them in the future. Future will tell us, until then, let's see how useless and buggy this non feature is. So for the moment, I would keep it and let people experiment. thanks, C.