PUD_S2_XN 220 arch/arm64/include/asm/kvm_mmu.h pud_val(pud) &= ~PUD_S2_XN; PUD_S2_XN 274 arch/arm64/include/asm/kvm_mmu.h return !(READ_ONCE(pud_val(*pudp)) & PUD_S2_XN);