PROT_NORMAL_NC    171 arch/arm64/include/asm/io.h #define ioremap_wc(addr, size)		__ioremap((addr), (size), __pgprot(PROT_NORMAL_NC))
PROT_NORMAL_NC    259 arch/arm64/kernel/acpi.c 		return __pgprot(PROT_NORMAL_NC);