align_to           55 tools/testing/selftests/x86/protection_keys.c #define ALIGN_UP(x, align_to)	(((x) + ((align_to)-1)) & ~((align_to)-1))
align_to           56 tools/testing/selftests/x86/protection_keys.c #define ALIGN_DOWN(x, align_to) ((x) & ~((align_to)-1))