Commit 8e1f3851 authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Andrew Morton
Browse files

kill task_struct->thread_group 

The last user was removed by the previous patch.

Link: https://lkml.kernel.org/r/20230826111409.GA23243@redhat.com


Signed-off-by: default avatarOleg Nesterov <oleg@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent e34a35ee

include/linux/sched.h

+0 −1
Original line number Diff line number Diff line
@@ -1002,7 +1002,6 @@ struct task_struct { 
	/* PID/PID hash table linkage. */

	struct pid			*thread_pid;

	struct hlist_node		pid_links[PIDTYPE_MAX];

	struct list_head		thread_group;

	struct list_head		thread_node;



	struct completion		*vfork_done;

init/init_task.c

+0 −1
Original line number Diff line number Diff line
@@ -132,7 +132,6 @@ struct task_struct init_task 
	.pi_lock	= __RAW_SPIN_LOCK_UNLOCKED(init_task.pi_lock),

	.timer_slack_ns = 50000, /* 50 usec default slack */

	.thread_pid	= &init_struct_pid,

	.thread_group	= LIST_HEAD_INIT(init_task.thread_group),

	.thread_node	= LIST_HEAD_INIT(init_signals.thread_head),

#ifdef CONFIG_AUDIT

	.loginuid	= INVALID_UID,

kernel/exit.c

+0 −1
Original line number Diff line number Diff line
@@ -133,7 +133,6 @@ static void __unhash_process(struct task_struct *p, bool group_dead) 
		list_del_init(&p->sibling);

		__this_cpu_dec(process_counts);

	}

	list_del_rcu(&p->thread_group);

	list_del_rcu(&p->thread_node);

}

kernel/fork.c

+0 −3
Original line number Diff line number Diff line
@@ -2576,7 +2576,6 @@ __latent_entropy struct task_struct *copy_process( 
	p->dirty_paused_when = 0;



	p->pdeath_signal = 0;

	INIT_LIST_HEAD(&p->thread_group);

	p->task_works = NULL;

	clear_posix_cputimers_work(p);
@@ -2704,8 +2703,6 @@ __latent_entropy struct task_struct *copy_process( 
			atomic_inc(&current->signal->live);

			refcount_inc(&current->signal->sigcnt);

			task_join_group_stop(p);

			list_add_tail_rcu(&p->thread_group,

					  &p->group_leader->thread_group);

			list_add_tail_rcu(&p->thread_node,

					  &p->signal->thread_head);

		}