"Number of bytes that can be allocated to GENERATION before that
generation is considered for garbage collection. This value is meaningless for
generation 0 (the nursery): see BYTES-CONSED-BETWEEN-GCS instead. Default is
-5% of the dynamic space size. Can be assigned to using SETF. Available on
-GENCGC platforms only.
+5% of the dynamic space size divided by the number of non-nursery generations.
+Can be assigned to using SETF. Available on GENCGC platforms only.
Experimental: interface subject to change."
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