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Date: Wed, 18 Jul 2007 17:51:10 -0400 From: Rob Landley <rob@...dley.net> To: "H. Peter Anvin" <hpa@...or.com> Cc: Jan Engelhardt <jengelh@...putergmbh.de>, Bodo Eggert <7eggert@....de>, linux-kernel@...r.kernel.org Subject: Re: [RFC][Patch] Allow not mounting a root fs On Saturday 07 July 2007 5:17:31 pm H. Peter Anvin wrote: > Jan Engelhardt wrote: > > On Jul 7 2007 13:56, H. Peter Anvin wrote: > >> Jan Engelhardt wrote: > >>> On Jul 5 2007 19:08, H. Peter Anvin wrote: > >>>>> BTW: Is it possible to mount a tmpfs on / before extracting the cpio? > >>>> > >>>> Not in the stock kernel. There have been some patches floating around > >>>> for that, I think. > >>> > >>> What would it buy? rootfs is a tmpfs, is not it? > >> > >> No, rootfs is ramfs. > > > > Thanks for clarifying. Well, why is it a ramfs, and not tmpfs? > > (I think I know the difference, but the question stands. > > A system without any swap somewhat equals a ramfs, or?) > > It gets initialized very early, and a lot of the setup needed for tmpfs > to work isn't ready yet. Out of curiosity, do you know which setup? I know that it won't actually swap anything out yet because no swap is mounted, but I thought that mounting tmpfs and doing a swapon afterwards was ok... > -hpa Rob -- "One of my most productive days was throwing away 1000 lines of code." - Ken Thompson. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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