Re: where went /dev/kmem?

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On Mon, Mar 31, 2008 at 10:20:35AM -0400, Robert P. J. Day wrote:
> On Mon, 31 Mar 2008, Erik Mouw wrote:
> 
> > On Sat, Mar 29, 2008 at 03:20:31AM -0400, Robert P. J. Day wrote:
> > >   following up on a short article i just read, where is /dev/kmem
> > > these days?  was it actually deleted?  back in 2005, jon corbet was
> > > certainly hinting at this:
> > >
> > >   http://lwn.net/Articles/147901/
> > >
> > > and i don't see it today on my system, and i don't see a kernel config
> > > option for it either, but i also don't see an explicit removal of that
> > > feature in "git log" and log entries as recent as january of last year
> > > still talk about it.
> > >
> > >   so where's it at?  if anywhere.  thanks.
> >
> > erik@arthur:~ > ls -l /dev/kmem
> > crw-r----- 1 root kmem 1, 2 2008-03-29 23:39 /dev/kmem
> >
> > Udev created it for me, so there should be kernel support. I can
> > even read from it:
> 
> hmmmm ... i have no such special file on fedora 8, but there is a line
> for it in the udev default rules file.  how odd.  what distro are you
> using, erik?

Debian etch + backports.org packages with a custom kernel.

> p.s.  i do have /dev/mem, which doesn't surprise me.  maybe i'll ask
> on the fedora list.

A quick Google search suggests Red Hat/Fedora distro's don't have
/dev/kmem:

  http://lkml.org/lkml/2008/2/10/328


Erik

-- 
Erik Mouw -- mouw@xxxxxxxxxxxx

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