> On MMUless you wouldn't use page protection as a GC technique :-) > Is EFAULT really optional on systems with page protection? Yes. It's also not guaranteed under Linux although pretty much all our I/O paths do bother to report -EFAULT -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html