60  *			- Lookup anons in the amp.
66  *			- For address ranges without anons in the amp:
72  *			- Lookup pages in the shared amp or vnode.
80  * amp->swresv == 0.
92  *		- If seg is anon, shared, and amp->swresv != 0
93  *			- For address ranges in amp not previously visited for
113  *	   - per shared amp (entity->vme_amp_hash)
184 	pgcnt_t vmb_start;  /* page offset in vnode/amp on which bound starts */
185 	pgcnt_t	vmb_end;    /* page offset in vnode/amp on which bound ends */
191  * key is address of vnode or amp.  Bounds lists known incore/non-incore
192  * bounds for vnode/amp.
428 	    "vmusage amp hash", VMUSAGE_HASH_SIZE, vmu_free_object,  in vm_usage_init()
485 		    "vmusage amp hash", VMUSAGE_HASH_SIZE, vmu_free_object,  in vmu_alloc_entity()
885  * Given an amp and a list of bounds, updates each bound's type with
896 vmu_amp_update_incore_bounds(avl_tree_t *tree, struct anon_map *amp,  in vmu_amp_update_incore_bounds()  argument
910 	ANON_LOCK_ENTER(&amp->a_rwlock, RW_READER);  in vmu_amp_update_incore_bounds()
934 			ap = anon_get_ptr(amp->ahp, index);  in vmu_amp_update_incore_bounds()
983 	ANON_LOCK_EXIT(&amp->a_rwlock);  in vmu_amp_update_incore_bounds()
1074  * list of entities to visit.  For shared segments, the vnode or amp
1079  * For private mapped files, first the amp is checked for private pages.
1080  * Bounds not backed by the amp are looked up in the vnode for each entity
1115 	 * a shared amp, then figure out if there is a private amp, which  in vmu_calculate_seg()
1136 				    svd->amp != NULL) {  in vmu_calculate_seg()
1137 					private_amp = svd->amp;  in vmu_calculate_seg()
1153 		if (svd->amp != NULL && svd->type == MAP_SHARED) {  in vmu_calculate_seg()
1156 			    vmu_data.vmu_all_amps_hash, (caddr_t)svd->amp,  in vmu_calculate_seg()
1161 			if (svd->amp->swresv == 0)  in vmu_calculate_seg()
1183 	 * If there is a private amp, count anon pages that exist.  If an  in vmu_calculate_seg()
1188 	 * which are not mapped by the private amp.  in vmu_calculate_seg()
1227 			 * backed by private amp so they can be looked  in vmu_calculate_seg()
1255 			/* Detect end of anons in amp */  in vmu_calculate_seg()
1349 	/* Compute resident pages backing shared amp or named vnode */  in vmu_calculate_seg()
1355 			 * No private amp, or private amp has no anon  in vmu_calculate_seg()
1365 		 * Iterate bounds not backed by private amp, and compute  in vmu_calculate_seg()