SHMMNI             21 include/linux/shm.h #define SHMALL (SHMMAX/PAGE_SIZE*(SHMMNI/16)) /* max shm system wide (pages) */
SHMMNI             23 include/linux/shm.h #define SHMALL (SHMMAX/getpagesize()*(SHMMNI/16))
SHMMNI             25 include/linux/shm.h #define SHMSEG SHMMNI			 /* max shared segs per process */
SHMMNI             76 ipc/shm.c      	ns->shm_ctlmni = SHMMNI;