LRU_BASE 176 include/linux/mmzone.h LRU_INACTIVE_ANON = LRU_BASE, LRU_BASE 177 include/linux/mmzone.h LRU_ACTIVE_ANON = LRU_BASE + LRU_ACTIVE, LRU_BASE 178 include/linux/mmzone.h LRU_INACTIVE_FILE = LRU_BASE + LRU_FILE, LRU_BASE 179 include/linux/mmzone.h LRU_ACTIVE_FILE = LRU_BASE + LRU_FILE + LRU_ACTIVE,