struct mm_struct
{
struct vm_area_struct * mmap; /* list of VMAs */
struct vm_area_struct * mmap_avl; /* tree of VMAs */
struct vm_area_struct * mmap_cache; /* last find_vma result */
pgd_t * pgd;
atomic_t count;
int map_count; /* number of VMAs */
struct semaphore mmap_sem;
spinlock_t page_table_lock;
unsigned long context;
unsigned long start_code, end_code, start_data, end_data;
unsigned long start_brk, brk, start_stack;
unsigned long arg_start, arg_end, env_start, env_end;
unsigned long rss, total_vm, locked_vm;
unsigned long def_flags;
unsigned long cpu_vm_mask;
unsigned long swap_cnt; /* number of pages to swap on next pass */
unsigned long swap_address;
/*
* This is an architecture-specific pointer: the portable
* part of Linux does not know about any segments.
*/
void * segments;
};