SECTIONS_PER_ROOT 1119 include/linux/mmzone.h #define SECTION_NR_TO_ROOT(sec)	((sec) / SECTIONS_PER_ROOT)
SECTIONS_PER_ROOT 1120 include/linux/mmzone.h #define NR_SECTION_ROOTS	DIV_ROUND_UP(NR_MEM_SECTIONS, SECTIONS_PER_ROOT)
SECTIONS_PER_ROOT 1121 include/linux/mmzone.h #define SECTION_ROOT_MASK	(SECTIONS_PER_ROOT - 1)
SECTIONS_PER_ROOT 1126 include/linux/mmzone.h extern struct mem_section mem_section[NR_SECTION_ROOTS][SECTIONS_PER_ROOT];