/* const.h: Macros for dealing with constants.  */ #ifndef _LINUX_CONST_H#define _LINUX_CONST_H /* Some constant macros are used in both assembler and * C code.  Therefore we cannot annotate them always with * 'UL' and other type specifiers unilaterally.  We * use the following macros to deal with this. * * Similarly, _AT() will cast an expression with a type in C, but * leave it unchanged in asm. */ #ifdef __ASSEMBLY__#define _AC(X,Y)	X#define _AT(T,X)	X#else#define __AC(X,Y)	(X##Y)#define _AC(X,Y)	__AC(X,Y)#define _AT(T,X)	((T)(X))#endif #define _BITUL(x)	(_AC(1,UL) << (x))#define _BITULL(x)	(_AC(1,ULL) << (x)) #endif /* !(_LINUX_CONST_H) */