1#ifndef __MMU_H 2#define __MMU_H 3 4#if !defined(CONFIG_MMU) 5 6struct mm_rblock_struct { 7 int size; 8 int refcount; 9 void *kblock; 10}; 11 12struct mm_tblock_struct { 13 struct mm_rblock_struct *rblock; 14 struct mm_tblock_struct *next; 15}; 16 17typedef struct { 18 struct mm_tblock_struct tblock; 19 unsigned long end_brk; 20} mm_context_t; 21 22#else 23 24/* Default "unsigned long" context */ 25typedef unsigned long mm_context_t; 26 27#endif /* CONFIG_MMU */ 28#endif /* __MMH_H */ 29 30