Linux核心数据结构--mm_struct

用来描叙某任务或进程的虚拟内存。

[b]struct mm_struct {

int count;

pgd_t * pgd;

unsigned long context;

unsigned long start_code, end_code, start_data, end_data;

unsigned long start_brk, brk, start_stack, start_mmap;

unsigned long arg_start, arg_end, env_start, env_end;

unsigned long rss, total_vm, locked_vm;

unsigned long def_flags;

struct vm_area_struct * mmap;

struct vm_area_struct * mmap_avl;

struct semaphore mmap_sem;

};[/b]