linux-kernel - Re: [PATCH] use tmpfs for rootfs

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Message-ID: <alpine.LSU.0.999.0810161922290.5051@be1.lrz>
Date:	Thu, 16 Oct 2008 19:35:37 +0200 (CEST)
From:	Bodo Eggert <7eggert@....de>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
cc:	Bodo Eggert <7eggert@....de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] use tmpfs for rootfs

On Thu, 16 Oct 2008, Geert Uytterhoeven wrote:
> On Thu, 16 Oct 2008, Bodo Eggert wrote:

> > +config TMPFS_ROOT
> > +	bool "Use tmpfs instrad of ramfs for initramfs"
> > +	depends on TMPFS && SHMEM
> > +	default n
> > +	help
> > +	  This replaces the ramfs used for unpacking the cpio images
> > +	  with tmpfs.
> > +	  
> > +	  If unsure, say N
> > +
> > +config RAMFS
> > + 	bool "Ramfs file system support" if TMPFS_ROOT
> > +  	default y
> > +  	---help---
> > +  	  Ramfs is a file system which keeps all files in RAM. Unlike tmpfs,
> > +  	  it cannot be swapped to disk, and it has the risk of deadlocking
> > +  	  the system by using all memory.
> > +
> > +  	  Ramfs is used for booting the system and unpacking the cpio if
> > +  	  TMPFS_ROOT is not set.
> 
> Something seems to be missing, as you add CONFIG_RAMFS, but it's nowhere used?
> 
> Gr{oetje,eeting}s,

Yes. I managed to edit the wrong Makefile. Since there seems no way of 
sensibly appending a patch to a mail, I'll reply with the corrected patch.
-- 
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awake when you can sleep.
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