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SubjectRe: [patch 01/28] cpu alloc: The allocator
From: Andi Kleen <>
Date: Wed, 14 Nov 2007 02:06:28 +0100

> David Miller <> writes:
> >
> > The problem is that for the non-virtualized case this patch bloats up
> > the BSS section to be more than 8MB in size. Sparc64 kernel images
> > cannot be more than 8MB in size total due to various boot loader and
> > firmware limitations.
> I recently ran into a similar problem with x86-64 and large BSS from
> lockdep conflicting with a 16MB kdump kernel. Solution was to do
> another early allocator before bootmem and then move the tables into
> there.

Yes, I've run into similar problems with lockdep as well.
I had to build an ultra minimalized kernel to get it to
boot on my Niagara boxes.

I think I even looked at the same lockdep code, and I'd
appreciate it if you'd submit your fix for this if you
haven't already.
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