SHM_DEST           91 ipc/shm.c      		shp->shm_perm.mode |= SHM_DEST;
SHM_DEST          205 ipc/shm.c      	   shp->shm_perm.mode & SHM_DEST)
SHM_DEST          924 ipc/shm.c      	   shp->shm_perm.mode & SHM_DEST)