+#!+(and linux gencgc) ; sensibly small read-only and static spaces
+(progn
+ (def!constant linkage-table-space-start #x0f800000)
+ (def!constant linkage-table-space-end #x10000000)
+
+ (def!constant read-only-space-start #x11000000)
+ (def!constant read-only-space-end #x110ff000)
+
+ (def!constant static-space-start #x11100000)
+ (def!constant static-space-end #x111ff000)
+
+ (def!constant dynamic-space-start #x30000000)
+ (def!constant dynamic-space-end (!configure-dynamic-space-end)))
+
+#!+(and sunos cheneygc) ; might as well start by trying the same numbers