From 0800d30832ddecf2d9dc40068fed9df95930a8f1 Mon Sep 17 00:00:00 2001 From: Sukadev Bhattiprolu Date: Thu, 10 May 2007 22:23:04 -0700 Subject: [PATCH] Use task_pgrp() task_session() in copy_process() Use task_pgrp() and task_session() in copy_process(), and avoid find_pid() call when attaching the task to its process group and session. Signed-off-by: Sukadev Bhattiprolu Cc: Cedric Le Goater Cc: Dave Hansen Cc: Serge Hallyn Cc: Acked-by: Eric W. Biederman Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/fork.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/kernel/fork.c b/kernel/fork.c index cf13c44f3d..083bf8953c 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1249,14 +1249,11 @@ static struct task_struct *copy_process(unsigned long clone_flags, __ptrace_link(p, current->parent); if (thread_group_leader(p)) { - pid_t pgid = process_group(current); - pid_t sid = process_session(current); - p->signal->tty = current->signal->tty; - p->signal->pgrp = pgid; + p->signal->pgrp = process_group(current); set_signal_session(p->signal, process_session(current)); - attach_pid(p, PIDTYPE_PGID, find_pid(pgid)); - attach_pid(p, PIDTYPE_SID, find_pid(sid)); + attach_pid(p, PIDTYPE_PGID, task_pgrp(current)); + attach_pid(p, PIDTYPE_SID, task_session(current)); list_add_tail_rcu(&p->tasks, &init_task.tasks); __get_cpu_var(process_counts)++; -- 2.39.5