#ifndef __ARM_MMU_H #define __ARM_MMU_H typedef struct { #if __LINUX_ARM_ARCH__ >= 6 unsigned int id; #endif } mm_context_t; #if __LINUX_ARM_ARCH__ >= 6 #define ASID(mm) ((mm)->context.id & 255) #else #define ASID(mm) (0) #endif #endif