PTI_USER_PGTABLE_BIT 184 arch/x86/entry/calling.h #define PTI_USER_PGTABLE_MASK (1 << PTI_USER_PGTABLE_BIT) PTI_USER_PGTABLE_BIT 259 arch/x86/entry/calling.h bt $PTI_USER_PGTABLE_BIT, \scratch_reg PTI_USER_PGTABLE_BIT 277 arch/x86/entry/calling.h bt $PTI_USER_PGTABLE_BIT, \save_reg