SECTION_MAP_LAST_BIT - Linux

Symbol: SECTION_MAP_LAST_BIT

include/linux/mmzone.h

#define SECTION_MAP_MASK (~(BIT(SECTION_MAP_LAST_BIT) - 1))

include/linux/mmzone.h

#define SECTION_NID_SHIFT SECTION_MAP_LAST_BIT

mm/sparse.c

BUILD_BUG_ON(SECTION_MAP_LAST_BIT > PFN_SECTION_SHIFT);