diff options
| author | Oleg Nesterov <oleg@redhat.com> | 2023-08-26 13:14:09 +0200 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-10-04 19:41:56 +0200 |
| commit | 8e1f385104ac044f1552686ad6e1cbc71cc05a30 (patch) | |
| tree | 223317c54e65c8b62187e6de620f8bc8167a2370 | |
| parent | change thread_group_empty() to use task_struct->thread_node (diff) | |
| download | linux-8e1f385104ac044f1552686ad6e1cbc71cc05a30.tar.xz linux-8e1f385104ac044f1552686ad6e1cbc71cc05a30.zip | |
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: Oleg Nesterov <oleg@redhat.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | include/linux/sched.h | 1 | ||||
| -rw-r--r-- | init/init_task.c | 1 | ||||
| -rw-r--r-- | kernel/exit.c | 1 | ||||
| -rw-r--r-- | kernel/fork.c | 3 |
4 files changed, 0 insertions, 6 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index 77f01ac385f7..6d1341b1673f 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -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; diff --git a/init/init_task.c b/init/init_task.c index ff6c4b9bfe6b..c0de0200fd56 100644 --- a/init/init_task.c +++ b/init/init_task.c @@ -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, diff --git a/kernel/exit.c b/kernel/exit.c index edb50b4c9972..f3ba4b97a7d9 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -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); } diff --git a/kernel/fork.c b/kernel/fork.c index 3b6d20dfb9a8..b9d3aa493bbd 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -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(¤t->signal->live); refcount_inc(¤t->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); } |