-/* $Id: bitops.h,v 1.67 2001/11/19 18:36:34 davem Exp $
+/*
* bitops.h: Bit string operations on the Sparc.
*
* Copyright 1995 David S. Miller (davem@caip.rutgers.edu)
#ifdef __KERNEL__
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask);
extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask);
extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask);