127 static int shmem_lock(kshmid_t *sp, struct anon_map *amp);
128 static void shmem_unlock(kshmid_t *sp, struct anon_map *amp);
543 		crargs.amp = sp->shm_amp;  in shmat()
892 		 * unreserving the above anon, and freeing the below amp.  in shmget()
1124 lock_again(size_t npages, kshmid_t *sp, struct anon_map *amp)  in lock_again()  argument
1134 	ANON_LOCK_ENTER(&amp->a_rwlock, RW_READER);  in lock_again()
1137 		anon_array_enter(amp, anon_idx, &cookie);  in lock_again()
1138 		ap = anon_get_ptr(amp->ahp, anon_idx);  in lock_again()
1153 	ANON_LOCK_EXIT(&amp->a_rwlock);  in lock_again()
1162 shmem_lock(kshmid_t *sp, struct anon_map *amp)  in shmem_lock()  argument
1164 	size_t npages = btopr(amp->size);  in shmem_lock()
1170 	 * A later ISM/DISM attach may increase the size of the amp, so  in shmem_lock()
1180 	crargs.amp = amp;  in shmem_lock()
1184 	error = as_map(as, 0x0, amp->size, segvn_create, &crargs);  in shmem_lock()
1186 		if ((error = as_ctl(as, 0x0, amp->size, MC_LOCK, 0, 0,  in shmem_lock()
1188 			lock_again(npages, sp, amp);  in shmem_lock()
1190 		(void) as_unmap(as, 0x0, amp->size);  in shmem_lock()
1201 shmem_unlock(kshmid_t *sp, struct anon_map *amp)  in shmem_unlock()  argument
1215 	ANON_LOCK_ENTER(&amp->a_rwlock, RW_READER);  in shmem_unlock()
1218 		anon_array_enter(amp, anon_idx, &cookie);  in shmem_unlock()
1219 		if ((ap = anon_get_ptr(amp->ahp, anon_idx)) == NULL) {  in shmem_unlock()
1246 	ANON_LOCK_EXIT(&amp->a_rwlock);  in shmem_unlock()
1252  * amp.  This means all shmdt()s and the IPC_RMID have been done.
1257 	struct anon_map *amp = sp->shm_amp;  in shm_rm_amp()  local
1265 	lgrp_shm_policy_fini(amp, NULL);  in shm_rm_amp()
1266 	ANON_LOCK_ENTER(&amp->a_rwlock, RW_WRITER);  in shm_rm_amp()
1267 	if (amp->a_szc != 0) {  in shm_rm_amp()
1268 		anon_shmap_free_pages(amp, 0, amp->size);  in shm_rm_amp()
1270 		anon_free(amp->ahp, 0, amp->size);  in shm_rm_amp()
1272 	ANON_LOCK_EXIT(&amp->a_rwlock);  in shm_rm_amp()
1273 	anon_unresv_zone(amp->swresv, zone);  in shm_rm_amp()
1274 	anonmap_free(amp);  in shm_rm_amp()