On Tue, Mar 19, 2013 at 12:35:45AM -0700, Yinghai Lu wrote: > Can you check why sparc do not need to change interface during converting > to use memblock to replace bootmem? Sure. According to my understanding to sparc32 code(arch/sparc/mm/init_32.c), they already use max_low_pfn as the maximum PFN value, not as the number of pages. -- 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>