SUBSECTION_SHIFT 755 drivers/nvdimm/pfn_devs.c align = max(nd_pfn->align, (1UL << SUBSECTION_SHIFT)); SUBSECTION_SHIFT 1161 include/linux/mmzone.h #define PFN_SUBSECTION_SHIFT (SUBSECTION_SHIFT - PAGE_SHIFT) SUBSECTION_SHIFT 1165 include/linux/mmzone.h #if SUBSECTION_SHIFT > SECTION_SIZE_BITS SUBSECTION_SHIFT 1168 include/linux/mmzone.h #define SUBSECTIONS_PER_SECTION (1UL << (SECTION_SIZE_BITS - SUBSECTION_SHIFT))