Variables starting with `u' in arch/i386/i386

• uap arch/i386/i386/sys_machdep.c:61
• _ucodesel arch/i386/i386/machdep.c:948
• _udatasel arch/i386/i386/machdep.c:948
• ufs_mountroot arch/i386/i386/swapgeneric.c:103
• UPAGES arch/i386/i386/locore.s:266