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2
3
4#ifndef _LINUX_CONST_H
5#define _LINUX_CONST_H
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14
15
16#ifdef __ASSEMBLY__
17#define _AC(X,Y) X
18#define _AT(T,X) X
19#else
20#define __AC(X,Y) (X##Y)
21#define _AC(X,Y) __AC(X,Y)
22#define _AT(T,X) ((T)(X))
23#endif
24
25#define _UL(x) (_AC(x, UL))
26#define _ULL(x) (_AC(x, ULL))
27
28#define _BITUL(x) (_UL(1) << (x))
29#define _BITULL(x) (_ULL(1) << (x))
30
31#define __ALIGN_KERNEL(x, a) __ALIGN_KERNEL_MASK(x, (typeof(x))(a) - 1)
32#define __ALIGN_KERNEL_MASK(x, mask) (((x) + (mask)) & ~(mask))
33
34#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
35
36#endif
37