82  * @excess: pool of excess entitlement not needed for device reserves or spare
95 	struct vio_cmo_pool excess;  member
137  * Allocations come from memory reserved for the devices and any excess
139  * hotplug must be equal to %VIO_CMO_MIN_ENT for the excess pool to be
158 	/* If spare is not fulfilled, the excess pool can not be used. */  in vio_cmo_alloc()
160 		excess_free = vio_cmo.excess.free;  in vio_cmo_alloc()
169 		vio_cmo.excess.free -= size;  in vio_cmo_alloc()
184  * the reserve pool is used to reduce device entitlement, the excess
201 	/* Amount of memory freed from the excess pool */  in vio_cmo_dealloc()
215 	 * Replenish the spare in the reserve pool from the excess pool.  in vio_cmo_dealloc()
220 		vio_cmo.excess.size -= tmp;  in vio_cmo_dealloc()
246 	 * Move an allocation freed from the excess pool into the reserve  in vio_cmo_dealloc()
252 		vio_cmo.excess.size -= tmp;  in vio_cmo_dealloc()
258 	/* Return memory from the excess pool to that pool */  in vio_cmo_dealloc()
260 		vio_cmo.excess.free += excess_freed;  in vio_cmo_dealloc()
273  * and the rest is given to the excess pool.  Decreases, if they are
274  * possible, come from the excess pool and from unused device entitlement
299 		/* Remaining new allocation goes to the excess pool */  in vio_cmo_entitlement_update()
301 		vio_cmo.excess.size += delta;  in vio_cmo_entitlement_update()
302 		vio_cmo.excess.free += delta;  in vio_cmo_entitlement_update()
309 	avail = vio_cmo.excess.free;  in vio_cmo_entitlement_update()
330 		/* Take entitlement from the excess pool first */  in vio_cmo_entitlement_update()
331 		tmp = min(vio_cmo.excess.free, delta);  in vio_cmo_entitlement_update()
332 		vio_cmo.excess.size -= tmp;  in vio_cmo_entitlement_update()
333 		vio_cmo.excess.free -= tmp;  in vio_cmo_entitlement_update()
378  * Upon completion sizes of the reserve and excess pools are calculated.
460 	/* Calculate new reserve and excess pool sizes */  in vio_cmo_balance()
462 	cmo->excess.free = 0;  in vio_cmo_balance()
463 	cmo->excess.size = 0;  in vio_cmo_balance()
471 		/* Calculated used excess entitlement */  in vio_cmo_balance()
475 	cmo->excess.size = cmo->entitled - cmo->reserve.size;  in vio_cmo_balance()
476 	cmo->excess.free = cmo->excess.size - need;  in vio_cmo_balance()
667 		 * any reserve memory in the change region to the excess pool.  in vio_cmo_set_dev_desired()
671 			vio_cmo.excess.size += viodev->cmo.entitled - desired;  in vio_cmo_set_dev_desired()
674 			 * excess pool is currently unused, add to the excess  in vio_cmo_set_dev_desired()
678 				vio_cmo.excess.free += viodev->cmo.entitled -  in vio_cmo_set_dev_desired()
773 		tmp = vio_cmo.spare + vio_cmo.excess.free;  in vio_cmo_bus_probe()
783 		/* Use excess pool first to fulfill request */  in vio_cmo_bus_probe()
784 		tmp = min(size, vio_cmo.excess.free);  in vio_cmo_bus_probe()
785 		vio_cmo.excess.free -= tmp;  in vio_cmo_bus_probe()
786 		vio_cmo.excess.size -= tmp;  in vio_cmo_bus_probe()
789 		/* Use spare if excess pool was insufficient */  in vio_cmo_bus_probe()
863 		/* Remaining reserve goes to excess pool */  in vio_cmo_bus_remove()
864 		vio_cmo.excess.size += viodev->cmo.entitled;  in vio_cmo_bus_remove()
865 		vio_cmo.excess.free += viodev->cmo.entitled;  in vio_cmo_bus_remove()
889  * Set up the reserve and excess entitlement pools based on available
930 	vio_cmo.excess.size = vio_cmo.entitled - vio_cmo.reserve.size;  in vio_cmo_bus_init()
931 	vio_cmo.excess.free = vio_cmo.excess.size;  in vio_cmo_bus_init()
1018 viobus_cmo_pool_rd_attr(excess, size);
1019 viobus_cmo_pool_rd_attr(excess, free);