Symbol: LAST_USER_MM_SPEC_MASK
arch/x86/mm/tlb.c
655
unsigned long spec_bits = (next_tif >> TIF_SPEC_IB) & LAST_USER_MM_SPEC_MASK;
arch/x86/mm/tlb.c
735
if ((prev_mm & ~LAST_USER_MM_SPEC_MASK) != (unsigned long)next->mm)