On Mon, Sep 30, 2013 at 04:24:00PM +0200, Peter Zijlstra wrote: > For that we'd have to decrement xxx->gp_count from cb_rcu_func(), > wouldn't we? > > Without that there's no guarantee the fast path readers will have a MB > to observe the write critical section, unless I'm completely missing > something obviuos here. Duh.. we should be looking at gp_state like Paul said. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>