Thus spake Terry Lambert <[EMAIL PROTECTED]>:
> Writing a useful (non-"fluff") technical book, optimistically,
> takes 2080 hours ... or 40 hours per week for 52 weeks... a man
> year.
> By the time you are done, the book is a year out of date, and
> even if you worked really hard and kept it up to date (e.g. you
> had 4 authors and spent only 6 months of wall time on the book),
> the shelf life on the book is still pretty short.

Although it would be unreasonable to comprehensively document the
kernel internals and expect the details to remain valid for a year,
there is a great deal of lasting information that could be conveyed.
For example, Kirk's 4.[34]BSD books cover obsolete systems, and yet
much of what they say applies equally well to recent versions of

It's true that the specific question ``How do I change my KVA size?''
might have different answers at different times, but I doubt that the
ideas behind an answer have all been invented in the last few months.
Even things like PAE, used by the Linux 2.4 kernel, remind me of how
DOS dealt with the 1 MB memory limit.

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