NR_PAGEBLOCK_BITS 1141 include/linux/mmzone.h ((1UL << (PFN_SECTION_SHIFT - pageblock_order)) * NR_PAGEBLOCK_BITS) NR_PAGEBLOCK_BITS 463 mm/page_alloc.c return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS; NR_PAGEBLOCK_BITS 466 mm/page_alloc.c return (pfn >> pageblock_order) * NR_PAGEBLOCK_BITS; NR_PAGEBLOCK_BITS 527 mm/page_alloc.c BUILD_BUG_ON(NR_PAGEBLOCK_BITS != 4); NR_PAGEBLOCK_BITS 6594 mm/page_alloc.c usemapsize *= NR_PAGEBLOCK_BITS;