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Date:      Wed, 23 May 2001 18:54:31 +0200
From:      Poul-Henning Kamp <phk@critter.freebsd.dk>
To:        Brian Somers <brian@Awfulhak.org>
Cc:        Garrett Wollman <wollman@khavrinen.lcs.mit.edu>, freebsd-arch@FreeBSD.ORG
Subject:   Re: RFC: unit_list routines 
Message-ID:  <3487.990636871@critter>
In-Reply-To: Your message of "Wed, 23 May 2001 16:52:58 BST." <200105231552.f4NFqwF05688@hak.lan.Awfulhak.org> 

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In message <200105231552.f4NFqwF05688@hak.lan.Awfulhak.org>, Brian Somers write
s:

>I didn't do it that way because the ``usual'' way units are allocated 
>is sequentially.  Using bits when there are large numbers of units 
>gets awkward.  I figured what was required was something small and 
>simple that would cover the requirements of most/all drivers that 
>need to track their units so that it's easy to find an unused one, 
>and it's easy to allocate/deallocate things.

How does newbus allocate/manage unit numbers ?

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

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