[PATCH] Include tgid when finding next_safe in get_pid()

Include tgid when finding next_safe in get_pid()

kernel/fork.c

@@ -186,6 +186,8 @@ static int get_pid(unsigned long flags)
 				next_safe = p->pid;
 			if(p->pgrp > last_pid && next_safe > p->pgrp)
 				next_safe = p->pgrp;
+			if(p->tgid > last_pid && next_safe > p->tgid)
+				next_safe = p->tgid;
 			if(p->session > last_pid && next_safe > p->session)
 				next_safe = p->session;
 		}