On 08/09/2013 04:39 PM, Yinghai Lu wrote: >>> >>> Also parse srat table two times looks silly. >> >> By parsing SRAT twice, I can avoid memory allocation for acpi_tables_addr >> in acpi_initrd_override_copy() procedure at such an early time. This memory >> could also be in hotpluggable area. > > You already mark kernel position to be not hot-plugged, so near the > kernel range should be safe to be put override acpi tables. > > also what I mean parse srat two times: > parse to get hotplug range, and late parse other numa info again. > Doing two passes over a small data structure (SRAT) would seem more sensible than allocating memory just to avoid that... -hpa -- 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>