#ifndef _ASM_GENERIC_PAGE_H#define _ASM_GENERIC_PAGE_H #ifdef __KERNEL__#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	/* __KERNEL__ */ #endif	/* _ASM_GENERIC_PAGE_H */