linux/include/asm-generic/page.h
Robert P. J. Day ae50884f66 remove __KERNEL__ tests of unexported headers under asm-generic/
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>
2008-04-30 08:29:54 -07:00

24 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 */