mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
ae50884f66
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
25 lines
410 B
C
25 lines
410 B
C
#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 */
|