At 07/30/2012 06:23 PM, Heiko Carstens Wrote: > On Fri, Jul 27, 2012 at 06:32:15PM +0800, Wen Congyang wrote: >> We don't call __add_pages() directly in the function add_memory() >> because some other architecture related things need to be done >> before or after calling __add_pages(). So we should introduce >> a new function arch_remove_memory() to revert the things >> done in arch_add_memory(). >> >> Note: the function for s390 is not implemented(I don't know how to >> implement it for s390). > > There is no hardware or firmware interface which could trigger a > hot memory remove on s390. So there is nothing that needs to be > implemented. Thanks for providing this information. According to this, arch_remove_memory() for s390 can just return -EBUSY. Thanks Wen Congyang > > -- > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- 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>