blob: 14db733b8e68e7df3cb95bb685eb97cc0125a094 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
#ifndef _ASM_GENERIC_PAGE_H
#define _ASM_GENERIC_PAGE_H
#ifndef __ASSEMBLY__
#include <linux/compiler.h>
/* Pure 2^n version of get_order */
static __inline__ __attribute_const__ int get_order(unsigned long size)
{
int order;
size = (size - 1) >> (PAGE_SHIFT - 1);
order = -1;
do {
size >>= 1;
order++;
} while (size);
return order;
}
#endif /* __ASSEMBLY__ */
#endif /* _ASM_GENERIC_PAGE_H */
|