Messages in this thread | | | Date | Mon, 11 May 2009 07:30:53 -0700 | From | Arjan van de Ven <> | Subject | Re: [patch 00/13] devtmpfs patches |
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On Mon, 11 May 2009 16:14:28 +0200 Kay Sievers <kay.sievers@vrfy.org> wrote:
> On Mon, May 11, 2009 at 15:10, Alan Cox <alan@lxorguk.ukuu.org.uk> > wrote: > >> And I did, and it's obvious that creating a single file along with > >> the ~10 we already create in /sys, instead of running through /sys > >> or /proc later and reconstruct what we missed, is always, and in > >> every case faster and simpler. It gets rid of a bunch of things we > >> need to > > > > Arjan's numbers for sysfs are 0.06 seconds if I remember the mail > > correctly. That doesn't account for any meaningful speedup. > > Sure it does. It is great, and it started a huge effort for many > people to think about the current way to do it. It is very welcome and > it counts a lot, and there is no doubt, that most of the gains we get > today are due to Arjans work in that area. > > But he does not use an initramfs, and distros insist to do that. And > that basically means you need to prepare /dev two times, and also prep
eh why?
this is the part I'm missing. Make /dev in the initramfs, then bind-mount-move it to its final location later.
you ever only need to fill your tmpfs /dev once. initramfs or not.
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