On Fri, 26 Feb 2010 19:39:32 +0100 Nicolas Ferre <nicolas.ferre@xxxxxxxxx> wrote: > + kunmap_atomic(((void *)sgbuffer)-sg->offset, KM_BIO_SRC_IRQ); It's a feature of kunmap_atomic() that it will accept a pointer to any location in the page. So the subtraction isn't strictly needed. And if the subtraction is removed, the (void*) cast can also be removed. -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html