upgrade_write 776 arch/powerpc/kvm/book3s_64_mmu_radix.c bool upgrade_write = false; upgrade_write 777 arch/powerpc/kvm/book3s_64_mmu_radix.c bool *upgrade_p = &upgrade_write; upgrade_write 795 arch/powerpc/kvm/book3s_64_mmu_radix.c upgrade_write = true; upgrade_write 857 arch/powerpc/kvm/book3s_64_mmu_radix.c if (writing || upgrade_write) {