On 7/17/07, Balbir Singh <[EMAIL PROTECTED]> wrote:
>
> >                mutex_lock(&container_mutex);
> >                set_bit(CONT_RELEASABLE, &cont->flags);
> >-               if (atomic_dec_and_test(&css->refcnt)) {
> >-                       check_for_release(cont);
> >-               }
> >+               check_for_release(cont);
> >                mutex_unlock(&container_mutex);
> >

I think that this isn't safe as it stands, without a synchronize_rcu()
in container_diput() prior to the kfree(). Also, it will break if
anyone tries to use a release agent on a hierarchy that has your
memory controller bound to it.

Paul
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to