Commit | Line | Data |
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fd4fd5aa SR |
1 | #ifndef _ASM_GENERIC_PAGE_H |
2 | #define _ASM_GENERIC_PAGE_H | |
3 | ||
4 | #ifdef __KERNEL__ | |
5 | #ifndef __ASSEMBLY__ | |
6 | ||
38f33230 | 7 | #include <linux/compiler.h> |
fd4fd5aa | 8 | |
38f33230 LT |
9 | /* Pure 2^n version of get_order */ |
10 | static __inline__ __attribute_const__ int get_order(unsigned long size) | |
fd4fd5aa SR |
11 | { |
12 | int order; | |
13 | ||
38f33230 | 14 | size = (size - 1) >> (PAGE_SHIFT - 1); |
fd4fd5aa SR |
15 | order = -1; |
16 | do { | |
17 | size >>= 1; | |
18 | order++; | |
19 | } while (size); | |
20 | return order; | |
21 | } | |
22 | ||
23 | #endif /* __ASSEMBLY__ */ | |
24 | #endif /* __KERNEL__ */ | |
25 | ||
26 | #endif /* _ASM_GENERIC_PAGE_H */ |