SEL_LDT            56 arch/i386/include/segments.h #define	ISLDT(s)	((s) & SEL_LDT)	/* is it local or global */
SEL_LDT            60 arch/i386/include/segments.h #define	LSEL(s,r)	(((s) << 3) | r | SEL_LDT)	/* a local selector */