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Re: [Gnu-arch-users] Re: give us a hand with arch

From: Robin Farine
Subject: Re: [Gnu-arch-users] Re: give us a hand with arch
Date: 29 Sep 2003 22:40:49 +0200
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2

>>>>> "Florian" == Florian Weimer <address@hidden> writes:

    Florian> Hans Reiser once told me that they won't overwrite unused
    Florian> disk space with zeros, even when it might become visible
    Florian> using mmap() -- for performance reasons.

I don't follow you. What do mean by "unused disk space becoming
visible using mmap()"? mmap() applied to a regular file can only
access the area corresponding to the contents of the file, and thus it
cannot access unused disk space, no?


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