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/linux-6.15/mm/
H A Dmm_init.c1479 unsigned long usemapsize; in usemap_size() local
1482 usemapsize = round_up(zonesize, pageblock_nr_pages); in usemap_size()
1483 usemapsize = usemapsize >> pageblock_order; in usemap_size()
1484 usemapsize *= NR_PAGEBLOCK_BITS; in usemap_size()
1485 usemapsize = round_up(usemapsize, BITS_PER_LONG); in usemap_size()
1487 return usemapsize / BITS_PER_BYTE; in usemap_size()
1492 unsigned long usemapsize = usemap_size(zone->zone_start_pfn, in setup_usemap() local
1495 if (usemapsize) { in setup_usemap()
1497 memblock_alloc_node(usemapsize, SMP_CACHE_BYTES, in setup_usemap()
1501 usemapsize, zone->name, zone_to_nid(zone)); in setup_usemap()