1#define SHMLBA 4096
 2
 3struct shmid_ds {
 4	struct ipc_perm shm_perm;
 5	unsigned long __shm_atime_hi;
 6	unsigned long __shm_atime_lo;
 7	unsigned long __shm_dtime_hi;
 8	unsigned long __shm_dtime_lo;
 9	unsigned long __shm_ctime_hi;
10	unsigned long __shm_ctime_lo;
11	unsigned long __pad1;
12	size_t shm_segsz;
13	pid_t shm_cpid;
14	pid_t shm_lpid;
15	unsigned long shm_nattch;
16	unsigned long __pad2;
17	time_t shm_atime;
18	time_t shm_dtime;
19	time_t shm_ctime;
20};
21
22struct shminfo {
23	unsigned long shmmax, shmmin, shmmni, shmseg, shmall, __unused[4];
24};
25
26struct shm_info {
27	int __used_ids;
28	unsigned long shm_tot, shm_rss, shm_swp;
29	unsigned long __swap_attempts, __swap_successes;
30};