On Thu, Apr 06, 2023 at 09:53:37AM -0700, Stefan Roesch wrote:
> + case PR_SET_MEMORY_MERGE:
> + if (mmap_write_lock_killable(me->mm))
> + return -EINTR;
> +
> + if (arg2) {
> + int err = ksm_add_mm(me->mm);
> + if (err)
> + return err;
You'll return to userspace with the mutex held, no?
