On 12/01, Andrew Morton wrote: > > On Thu, 27 Nov 2014 00:54:37 +0100 Oleg Nesterov <o...@redhat.com> wrote: > > > The comments in zap_pid_ns_processes() are not clear, we need to > > explain how this code actually works. > > Could we please get some documentation for PIDNS_HASH_ADDING? What it > does, what is the protocol for handling it, etc? I was trying to > review your [1/2] but this little mystery has me somewhat stumped.
OK, I'll send another simple doc patch. But in short it is simple. "nr_hashed & PIDNS_HASH_ADDING" just means that this pid_ns is alive, and alloc_pid() can succeed. We need this to ensure that a new child can't be injected after zap_pid_ns_processes() has already killed all tasks in its pid_ns. Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
