Fwd: [RFC] make kthread_worker_fn to be freezable

[yalin wang]

I notice that kthread_worker_fn() call try_to_freeze() function,
but it don't make itself to be a freezable kthread,
kthread default behavior is not freezable, we should change it if
want try_to_freeze() work correctly.

Signed-off-by: yalin wang <yalin.wang2010@xxxxxxxxx>
---
 kernel/kthread.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/kthread.c b/kernel/kthread.c
index 10e489c..b20a21d 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -550,6 +550,7 @@ int kthread_worker_fn(void *worker_ptr)

        WARN_ON(worker->task);
        worker->task = current;
+       set_freezable();
 repeat:
        set_current_state(TASK_INTERRUPTIBLE);  /* mb paired w/ kthread_stop */

--
1.9.1
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