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    SubjectRe: Updated dynamic pty patch available
    On Wed, Feb 11, 2004 at 10:00:46PM -0800, H. Peter Anvin wrote:
    > ... against the current top-of-bkcvs 2.6 kernel.
    > This version of the patch makes *both* legacy and Unix98 ptys configure
    > options (Unix98 only if EMBEDDED), and the number of legacy ptys is a
    > configuration option -- useful if you want to reduce the memory
    > footprint, or if you really wants lots of these guys (256 is no longer a
    > hard limit.)
    > Additionally, I have added a sysctl option -- /proc/sys/kernel/pty/max
    > -- for limiting the number of Unix98 ptys. It was way too effective a
    > DoS to eat up all kernel memory by opening /dev/ptmx repeatedly. The
    > default is 4096, but it can be adjusted all the way up to 2^20 if desirable.

    Looks good, I'll drop this into -tiny when I have proper net access

    Matt Mackall : : Linux development and consulting
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