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SubjectRe: Swap
   From: Rik van Riel <>
Date: Tue, 20 Nov 2001 20:05:05 -0200 (BRST)

Consider this a VM bug, mmap() really should be more efficient.

read() is always going to be faster until mmap() can
use large page mappings for the user. This is why
mmap() is slower.

Even if the whole thing is cached in memory, read() will
always be faster.
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