-;;; without any documentation. However, there have been a few changes
-;;; since the fork:
-;;; * The FreeBSD STATIC-SPACE-START value was bumped up
-;;; from #x28000000 to #x30000000 when FreeBSD ld.so dynamic linking
+;;; without any documentation. However, there were a few explanatory
+;;; comments in the CMU CL sources:
+;;; * On Linux,
+;;; ** The space 0x08000000-0x10000000 is "C program and memory allocation".
+;;; ** The space 0x40000000-0x48000000 is reserved for shared libs.
+;;; ** The space >0xE0000000 is "C stack - Alien stack".
+;;; * On FreeBSD,
+;;; ** The space 0x0E000000-0x10000000 is "Foreign segment".
+;;; ** The space 0x20000000-0x30000000 is reserved for shared libs.
+;;; And there have been a few changes since the fork:
+;;; * The FreeBSD STATIC-SPACE-START value was bumped up from
+;;; #x28000000 to #x30000000 when FreeBSD ld.so dynamic linking