Messages in this thread | | | Date | Thu, 23 Feb 2006 17:38:31 -0800 | From | Martin Bligh <> | Subject | Re: Patch to reorder functions in the vmlinux to a defined order |
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Linus Torvalds wrote: > > On Thu, 23 Feb 2006, Rene Herman wrote: > >>Also, did the kernel still boot on a 4M machine, and would it still do so with >>the change to 4M as posted? 2.4 used to boot fine with 4M. Not certain anymore >>if I ever tested that with 2.6 (and can't right now). > > > If you want to boot a 4MB machine with the suggested patch, you'd have to > enable CONFIG_EMBEDDED (something you'd likely want to do anyway, for a 4M > machine), and turn the physical start address back down to 1MB. > > That's one reason I didn't make it 16MB. A 4MB machine is pretty damn > embedded these days (you'd want to enable EMBEDDED just to turn off some > other things that make the kernel bigger), but I can imagine that real > people run Linux/x86 in 16MB as long as they don't run X.
ISTR from a long time ago, bootstrapping NUMA-Q, that in early boot we only have the first 8MB mapped. Might have changed, and is probably easily fixable, but ...
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