V4L/DVB (8777): tea575x-tuner: replace video_exclusive_open/release
[linux-2.6.git] / include / asm-generic / page.h
1 #ifndef _ASM_GENERIC_PAGE_H
2 #define _ASM_GENERIC_PAGE_H
3
4 #ifndef __ASSEMBLY__
5
6 #include <linux/compiler.h>
7
8 /* Pure 2^n version of get_order */
9 static __inline__ __attribute_const__ int get_order(unsigned long size)
10 {
11         int order;
12
13         size = (size - 1) >> (PAGE_SHIFT - 1);
14         order = -1;
15         do {
16                 size >>= 1;
17                 order++;
18         } while (size);
19         return order;
20 }
21
22 #endif  /* __ASSEMBLY__ */
23
24 #endif  /* _ASM_GENERIC_PAGE_H */