:Don't think that's true for textfiles.
:
:I rmeember older *NIXes loaded processes off disk by causing
:a page fault to read in the binary. I imagine FreeBSD does soemthing similar,
:
:The pageins you'd see running cat or more are probably /bin/cat and
:/usr/bin/more being loaded.
FreeBSD does demand-page executables, but if the data is
already in the VM page cache then FreeBSD will pre-map some of the
pages when you exec the program as an optimization -- so no
(or fewer) faults will occur for those pages.
-Matt
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