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SubjectRe: [PATCH] Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev
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Greg KH wrote:
> On Sat, Aug 08, 2009 at 12:14:39PM +0300, Al Boldi wrote:
> > Greg KH wrote:
> > > On Sat, Aug 08, 2009 at 12:17:31AM +0300, Al Boldi wrote:
> > > > For devtmpfs to be a realistic replacement for static /dev, it has to
> > > > be comparable to static /dev in both speed and size.
> > >
> > > Since when is this requirement necessary? You want something for free
> > > in both speed and size? Well, you got it in speed, but not size, it
> > > will take up memory that is swapable, and a tiny ammount of
> > > non-swapable kernel memory for the code.
> >
> > Not so tiny when you count in the hotplug dependency.
>
> devtmpfs does not rely on hotplug at all.

Are you sure?

This is from the patch of this thread:
> +config DEVTMPFS
> + bool "Create a kernel maintained /dev tmpfs (EXPERIMENTAL)"
> + depends on HOTPLUG && SHMEM && TMPFS


Thanks!

--
Al



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