security_shm_shmat  426 include/linux/security.h int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
security_shm_shmat 1491 ipc/shm.c      	err = security_shm_shmat(&shp->shm_perm, shmaddr, shmflg);