PMD_S2_XN 214 arch/arm64/include/asm/kvm_mmu.h pmd_val(pmd) &= ~PMD_S2_XN; PMD_S2_XN 259 arch/arm64/include/asm/kvm_mmu.h return !(READ_ONCE(pmd_val(*pmdp)) & PMD_S2_XN);