Changes between Version 1 and Version 2 of PlatformNotes


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Timestamp:
Nov 13, 2008, 11:22:02 PM (11 years ago)
Author:
rme
Comment:

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  • PlatformNotes

    v1 v2  
    5656but still allows applications to use low-memory addresses.
    5757
     58On some newer systems (Ubuntu 8.10, for instance), the 4K value doesn't work, although
     59{{{
     60# echo 0 >/proc/sys/vm/mmap_min_addr
     61}}}
     62will permit the lisp to run.  (Setting this value to 0 doesn't necessarily create an exploitable condition.
     63It might make it possible or easier to exploit yet-to-be-discovered bugs in the Linux kernel.)
     64
    5865On the x86 platform, there's no architectural advantage to using 16-bit
    5966addresses (when it's even possible to do so).   Version 1.1 of