* Gregory Haskins <ghaskins@xxxxxxxxxx> wrote: > Can I ask a simple question in light of all this discussion? > > "Is get_task_struct() really that bad?" it dirties a cacheline and it also involves atomics. Also, it's a small design cleanliness issue to me: get_task_struct() impacts the lifetime of an object - and if a locking primitive has side-effects on object lifetimes that's never nice. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
