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Re: [PATCH] memdisk plus lnxboot extension

From: Robert Millan
Subject: Re: [PATCH] memdisk plus lnxboot extension
Date: Thu, 24 Jan 2008 18:21:30 +0100
User-agent: Mutt/1.5.13 (2006-08-11)

On Fri, Jan 25, 2008 at 01:04:34AM +0800, Bean wrote:
> On Jan 25, 2008 12:55 AM, Robert Millan <address@hidden> wrote:
> > On Thu, Jan 24, 2008 at 03:25:51PM +0100, Robert Millan wrote:
> > >
> > > You want to add a feature that only works when you have the ability to 
> > > load
> > > images of an arbitrary size.  However, if we had this ability we wouldn't 
> > > have
> > > to compress core.img, or make it small in the first place.  We would then
> > > just create core.img of an arbitrary size, and include a memdisk of an
> > > arbitrary size in it.  But then we wouldn't need a feature to work around 
> > > the
> > > size restriction in memdisk!
> >
> > Just discussed it with Marco on IRC, and he said we could load core.img in 
> > high
> > memory, like in 0x100000 right away.  This solves the size limit in memdisk
> > which I think is the source of the problem.
> >
> > Of course, this collides with the OS load area, so we'd also need to add
> > relocation in loader, as described in the "grub_dl_unload_all()" thread.  I
> > do even have unfinished code for this, although it may take a while to get 
> > it
> > done properly (maybe we need to add features to memory manager or so).  Does
> > this work for you?
> i think this is great, we don't have to worry about memdisk size, and
> no need for the initrd hack anymore.

Ok.  I'll send my patch to the list later (not as a proposal for commit, but to
start a discussion on what is the right way to do it).

Robert Millan

<GPLv2> I know my rights; I want my phone call!
<DRM> What use is a phone call… if you are unable to speak?
(as seen on /.)

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