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Message-ID: <p73wssly6sr.fsf@bingen.suse.de>
Date: Wed, 14 Nov 2007 02:06:28 +0100
From: Andi Kleen <andi@...stfloor.org>
To: David Miller <davem@...emloft.net>
Cc: clameter@....com, akpm@...ux-foundation.org,
linux-mm@...r.kernel.org, linux-kernel@...r.kernel.org,
dada1@...mosbay.com, schwidefsky@...ibm.com
Subject: Re: [patch 01/28] cpu alloc: The allocator
David Miller <davem@...emloft.net> 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.
-Andi
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