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SubjectRe: Linux-2.1.98..
   Date: 	Fri, 24 Apr 1998 21:24:53 -0500
From: Michael Elizabeth Chastain <mec@shout.net>

This enables the character-reading state machine to run with a very
fast inner loop, but I don't know if mapping beyond the end of the
file -- perhaps even into a new page -- is valid.

Under Linux it is allowed, and always has been allowed. When you run
off the end, you get zero filled pages.

Some OS's like Solaris etc. send you a segfault when you do this.

Later,
David S. Miller
davem@dm.cobaltmicro.com

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