RE: Sharing data between user space and kernel

From: Aziz KEZZOU (aziz_kezzou_at_yahoo.fr)
Date: 02/26/05

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    Date: Sat, 26 Feb 2005 08:26:45 +0100 (CET)
To: freebsd-hackers@freebsd.org

    >sleeping(). What you probably want to do is
    >actually allocate wired kernel pages and export them
    to >userspace. Take a
    >look at the GEOM gstat(8) implementation, which does
    >exactly that.
    >However, you have to make sure that if you ever
    decide >to reuse that
    >kernel memory for something else (i.e., free it back
    to >the allocator),
    >you've GC'd all userspace references to it.

    Could you please point me to the place where "GEOM
    gstat" is implemented ? I don't seem to find it :-(

    Thanks a lot,
    neo

            

            
                    
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