fs/zfs/arc.c

4625 	int64_t free_memory = arc_available_memory();
4635 	    free_memory < 0) {
4644 	} else if (free_memory < arc_c >> arc_no_grow_shift) {
4663 	int64_t free_memory;
4684 	 * default).  If oversubscribed (free_memory < 0) then reduce the
4689 	free_memory = arc_available_memory();
4692 	    (arc_c >> arc_shrink_shift) - free_memory;
6598 	int64_t free_memory, to_free;
6603 	free_memory = arc_available_memory();
6604 	to_free = (arc_c >> arc_shrink_shift) - MIN(free_memory, 0);
6605 	DTRACE_PROBE2(arc__needfree, int64_t, free_memory, int64_t, to_free);