1 #ifndef __ASM_GENERIC_BITS_PER_LONG
2 #define __ASM_GENERIC_BITS_PER_LONG
3 
4 /*
5  * There seems to be no way of detecting this automatically from user
6  * space, so 64 bit architectures should override this in their
7  * bitsperlong.h. In particular, an architecture that supports
8  * both 32 and 64 bit user space must not rely on CONFIG_64BIT
9  * to decide it, but rather check a compiler provided macro.
10  */
11 #ifndef __BITS_PER_LONG
12 #define __BITS_PER_LONG 32
13 #endif
14 
15 #ifdef __KERNEL__
16 
17 #ifdef CONFIG_64BIT
18 #define BITS_PER_LONG 64
19 #else
20 #define BITS_PER_LONG 32
21 #endif /* CONFIG_64BIT */
22 
23 /*
24  * FIXME: The check currently breaks x86-64 build, so it's
25  * temporarily disabled. Please fix x86-64 and reenable
26  */
27 #if 0 && BITS_PER_LONG != __BITS_PER_LONG
28 #error Inconsistent word size. Check asm/bitsperlong.h
29 #endif
30 
31 #endif /* __KERNEL__ */
32 #endif /* __ASM_GENERIC_BITS_PER_LONG */
33