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From: Greg KH <greg@kroah.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Larger dev_t and major/minor split
Date: Thu, 20 Mar 2003 14:47:58 -0800	[thread overview]
Message-ID: <20030320224757.GC5156@kroah.com> (raw)
In-Reply-To: <b5dckh$lv1$1@cesium.transmeta.com>

On Thu, Mar 20, 2003 at 01:42:41PM -0800, H. Peter Anvin wrote:
> 
> a) We use a 32+32 bit split for dev_t.  Major zero, minor < 65536
>    would be reserved for compatibility with the old 16-bit dev_t; it
>    still leaves the zero value the "no device" entry.  We could still
>    use major 0, minor >= 65536 as anonymous devices, or we could
>    switch using major 255 which has been reserved for expansion for
>    the past eight years.

Well, it seems that this is the most reasonable split, able to handle
everyone for a long time.  I can live with it, if only to keep people
from Oracle quiet :)

thanks,

greg k-h

      parent reply	other threads:[~2003-03-20 22:39 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-03-20 21:42 Larger dev_t and major/minor split H. Peter Anvin
2003-03-20 22:09 ` Joel Becker
2003-03-20 23:06   ` H. Peter Anvin
2003-03-20 23:49     ` Joel Becker
2003-03-21  0:02       ` H. Peter Anvin
2003-03-20 22:47 ` Greg KH [this message]

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