xref: /linux/include/linux/const.h (revision 96de0e252cedffad61b3cb5e05662c591898e69a)
1 /* const.h: Macros for dealing with constants.  */
2 
3 #ifndef _LINUX_CONST_H
4 #define _LINUX_CONST_H
5 
6 /* Some constant macros are used in both assembler and
7  * C code.  Therefore we cannot annotate them always with
8  * 'UL' and other type specifiers unilaterally.  We
9  * use the following macros to deal with this.
10  */
11 
12 #ifdef __ASSEMBLY__
13 #define _AC(X,Y)	X
14 #else
15 #define __AC(X,Y)	(X##Y)
16 #define _AC(X,Y)	__AC(X,Y)
17 #endif
18 
19 #endif /* !(_LINUX_CONST_H) */
20