Re: [RFC PATCH 02/11] refcount: Implement inc/decrement-and-return functions

[David Howells]

Peter Zijlstra <pet...@infradead.org> wrote:

>       if (obj) {
>         /* use obj */
>         refcount_dec(&obj->refs); /* should never hit 0 */
>       }

You've missed a bit: We need to tell the gc to run when we reduce the refcount
to 1:

        if (obj) {
                ...
                if (refcount_dec_return(&obj->refs) == 1)
                        schedule_gc();
        }

David