Re: [RFC][v3][PATCH 4/7] Add target_pids parameter to alloc_pid()

[Sukadev Bhattiprolu <sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>]

Sukadev Bhattiprolu [sukadev-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org] wrote:
| Amerigo Wang [xiyou.wangcong-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org] wrote:
| | >@@ -294,7 +295,11 @@ struct pid *alloc_pid(struct pid_namespace *ns)
| | > 
| | > 	tmp = ns;
| | > 	for (i = ns->level; i >= 0; i--) {
| | >-		nr = alloc_pidmap(tmp, 0);
| | >+		tpid = 0;
| | 
| | How about initializing 'tpid' to 0 when define it?
| 
| 'tpid' may contain a non-zero value from the previous iteration and
| needs to be reset each time.

Actually, you are right. target_pids does not change, so tpid could
be set to 0 before the loop.

Sukadev