memblock_free_pages  160 mm/internal.h  extern void memblock_free_pages(struct page *page, unsigned long pfn,
memblock_free_pages 1578 mm/memblock.c  		memblock_free_pages(pfn_to_page(cursor), cursor, 0);
memblock_free_pages 1902 mm/memblock.c  		memblock_free_pages(pfn_to_page(start), start, order);