__PAGE_KERNEL_WC 173 arch/x86/include/asm/pgtable_types.h #define __PAGE_KERNEL_IO_WC (__PAGE_KERNEL_WC) __PAGE_KERNEL_WC 179 arch/x86/include/asm/pgtable_types.h #define PAGE_KERNEL_WC __pgprot(__PAGE_KERNEL_WC)