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Date:      Fri, 22 Nov 2019 00:50:43 +0000
From:      "Keller, Jacob E" <jacob.e.keller@intel.com>
To:        "kostikbel@gmail.com" <kostikbel@gmail.com>
Cc:        "src-committers@freebsd.org" <src-committers@freebsd.org>, "cem@freebsd.org" <cem@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "erj@freebsd.org" <erj@freebsd.org>
Subject:   Re: svn commit: r354977 - in head: share/man/man3 sys/sys tests/sys/sys
Message-ID:  <8f81e1457580142d077b074124a355d70793f250.camel@intel.com>
In-Reply-To: <20191122003451.GK2707@kib.kiev.ua>
References:  <201911211957.xALJvuwi054399@repo.freebsd.org> <CAG6CVpWKxfzNFC%2B94NgQ0A_Ez1Vk6v6uasXnoAKaK4aeWjDLaA@mail.gmail.com> <CAKdFRZgzg-1h%2Bi1O3=aaRKjGGtx=Gao_tZrz1SaQP3QgDX3x1g@mail.gmail.com> <0435131fb462d6930409ce335af25dd5a33ec2b2.camel@intel.com> <20191122002233.GJ2707@kib.kiev.ua> <363f0fb5ec2924d2fb79d337030a7a3133467258.camel@intel.com> <20191122003451.GK2707@kib.kiev.ua>

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On Fri, 2019-11-22 at 02:34 +0200, Konstantin Belousov wrote:
> On Fri, Nov 22, 2019 at 12:25:00AM +0000, Keller, Jacob E wrote:
> > On Fri, 2019-11-22 at 02:22 +0200, Konstantin Belousov wrote:
> > > On Thu, Nov 21, 2019 at 09:52:54PM +0000, Keller, Jacob E wrote:
> > > > We use a bit string as a method of determining which index
> > > > numbers
> > > > have
> > > > been assigned.
> > > For unit numbers we have unr(9) as well.
> > 
> > Does unr have support for allocating contiguous sequences of unit
> > numbers?
> 
> No, it does not.  Although the data structure is optimized to track
> contiguous runs, there is currently no API to allocate the chunk of
> desired
> length.

Hmm. Might make more sense to extend the API to allow requesting chunks
of desired length, and then use that.

Thanks,
Jake

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