PFN_SECTION_SHIFT 71 arch/ia64/mm/numa.c int i, section = pfn >> PFN_SECTION_SHIFT, ssec, esec; PFN_SECTION_SHIFT 1137 include/linux/mmzone.h #define PAGES_PER_SECTION (1UL << PFN_SECTION_SHIFT) PFN_SECTION_SHIFT 1141 include/linux/mmzone.h ((1UL << (PFN_SECTION_SHIFT - pageblock_order)) * NR_PAGEBLOCK_BITS) PFN_SECTION_SHIFT 1149 include/linux/mmzone.h return pfn >> PFN_SECTION_SHIFT; PFN_SECTION_SHIFT 1153 include/linux/mmzone.h return sec << PFN_SECTION_SHIFT; PFN_SECTION_SHIFT 318 mm/sparse.c BUILD_BUG_ON(SECTION_MAP_LAST_BIT > (1UL<<PFN_SECTION_SHIFT));