From dc50eab76b709d68175a358d6e23a5a3890764d3 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:39:57 +0200 Subject: Merging upstream version 6.7.7. Signed-off-by: Daniel Baumann --- kernel/kthread.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'kernel/kthread.c') diff --git a/kernel/kthread.c b/kernel/kthread.c index 1eea53050b..c5e40830c1 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -715,6 +715,24 @@ int kthread_stop(struct task_struct *k) } EXPORT_SYMBOL(kthread_stop); +/** + * kthread_stop_put - stop a thread and put its task struct + * @k: thread created by kthread_create(). + * + * Stops a thread created by kthread_create() and put its task_struct. + * Only use when holding an extra task struct reference obtained by + * calling get_task_struct(). + */ +int kthread_stop_put(struct task_struct *k) +{ + int ret; + + ret = kthread_stop(k); + put_task_struct(k); + return ret; +} +EXPORT_SYMBOL(kthread_stop_put); + int kthreadd(void *unused) { struct task_struct *tsk = current; @@ -1469,7 +1487,6 @@ void kthread_unuse_mm(struct mm_struct *mm) * clearing tsk->mm. */ smp_mb__after_spinlock(); - sync_mm_rss(mm); local_irq_disable(); tsk->mm = NULL; membarrier_update_current_mm(NULL); -- cgit v1.2.3