misc390.h

来自「讲述linux的初始化过程」· C头文件 代码 · 共 15 行

/*
 *  include/asm-s390/misc390.h
 *
 *  S390 version
 *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
 *    Author(s): Denis Joseph Barrow ([e-mail],[e-mail])
 */

#define	allocaligned2(type,name,number,align)				\
   __u8	name##buff[(sizeof(type)*(number+1))-1]; 	                \
   type	*name=(type *)(((__u32)(&name##buff[align-1]))&(-align))

#define	allocaligned(type,name,number)  allocaligned2(type,name,number,__alignof__(type))