Btw, I don't think this actually is safe without refcounting your kmap structure. The driver model ->remove callback can be called at any time, which will ioremap the memory and remap the kmap structure. But at this point a user might still be using it. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html