SWP_OFFSET_FIRST_BIT  252 arch/x86/include/asm/pgtable-3level.h #define SWP_OFFSET_FIRST_BIT	(_PAGE_BIT_PROTNONE + 1)
SWP_OFFSET_FIRST_BIT  211 arch/x86/include/asm/pgtable_64.h #define SWP_OFFSET_FIRST_BIT	(_PAGE_BIT_PROTNONE + 1)