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      1 #ifndef _ASMARM_SHMBUF_H
      2 #define _ASMARM_SHMBUF_H
      3 
      4 /*
      5  * The shmid64_ds structure for arm architecture.
      6  * Note extra padding because this structure is passed back and forth
      7  * between kernel and user space.
      8  *
      9  * Pad space is left for:
     10  * - 64-bit time_t to solve y2038 problem
     11  * - 2 miscellaneous 32-bit values
     12  */
     13 
     14 struct shmid64_ds {
     15 	struct ipc64_perm	shm_perm;	/* operation perms */
     16 	size_t			shm_segsz;	/* size of segment (bytes) */
     17 	__kernel_time_t		shm_atime;	/* last attach time */
     18 	unsigned long		__unused1;
     19 	__kernel_time_t		shm_dtime;	/* last detach time */
     20 	unsigned long		__unused2;
     21 	__kernel_time_t		shm_ctime;	/* last change time */
     22 	unsigned long		__unused3;
     23 	__kernel_pid_t		shm_cpid;	/* pid of creator */
     24 	__kernel_pid_t		shm_lpid;	/* pid of last operator */
     25 	unsigned long		shm_nattch;	/* no. of current attaches */
     26 	unsigned long		__unused4;
     27 	unsigned long		__unused5;
     28 };
     29 
     30 struct shminfo64 {
     31 	unsigned long	shmmax;
     32 	unsigned long	shmmin;
     33 	unsigned long	shmmni;
     34 	unsigned long	shmseg;
     35 	unsigned long	shmall;
     36 	unsigned long	__unused1;
     37 	unsigned long	__unused2;
     38 	unsigned long	__unused3;
     39 	unsigned long	__unused4;
     40 };
     41 
     42 #endif /* _ASMARM_SHMBUF_H */
     43