110  * the active state mutex must be held before the ghost state mutex.
445  * Balance between metadata and data on ghost hits.  Values above 100
446  * increase metadata caching by proportionally reducing effect of ghost
2330 	ASSERT(!GHOST_STATE(state));	/* arc_l2c_only counts as a ghost. */  in remove_reference()
2482 			 * When moving a header to a ghost state, we first  in arc_change_state()
2538 			 * When moving a header off of a ghost state,  in arc_change_state()
2542 			 * header on the ghost state.  in arc_change_state()
3349 		 * removed from any ghost list we were previously on  in arc_hdr_realloc()
3739  * When evicting from ghost states return logical buffer size to make eviction
3740  * progress at the same (or at least comparable) rate as from non-ghost states.
3743  * waiting for it.  For non-ghost states it includes size of evicted data
3744  * buffers (the headers are not freed there).  For ghost states it includes
4219  * Adjust specified fraction, taking into account initial ghost state(s) size,
4220  * ghost hit bytes towards increasing the fraction, ghost hit bytes towards
4232 	 * We should not have more ghost hits than ghost size, but they  in arc_evict_adj()
4293 	/* Get ARC ghost hits since last eviction. */  in arc_evict()
4307 	/* Adjust ARC states balance based on ghost hits. */  in arc_evict()
4373 	 * Evict ghost lists  in arc_evict()
4375 	 * Size of each state's ghost list represents how much that state  in arc_evict()
4377 	 * other states to zero (that is unlikely), its ghost size would be  in arc_evict()
4378 	 * equal to sum of other three state sizes.  But excessive ghost  in arc_evict()
4379 	 * size may result in false ghost hits (too far back), that may  in arc_evict()
4812  * ARC. All clean data reported by the ghost lists can always be safely
5069 	 * Update the state size.  Note that ghost states have a  in arc_get_data_impl()
5070 	 * "ghost size" and so don't need to be updated.  in arc_get_data_impl()
5192 		 * our "ghost" lists.  Add it to the MRU or uncached state.  in arc_access()
5944 			 * This block is in the ghost cache or encrypted data  in arc_read()
8054  * the ARC behave as usual, freeing buffers and placing headers on ghost
8524 		 * Allow ARC to begin reads and ghost list evictions to  in l2arc_write_done()
11005 	"Balance between metadata and data on ghost hits.");