From: Andy Whitcroft <apw@shadowen.org>
To: Kyle Moffett <mrmacman_g4@mac.com>
Cc: LKML Kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Anton Blanchard <anton@samba.org>
Subject: Re: [2.6.15-rc2-mm1] Disabled flatmem on ppc32? (ARCH=powerpc)
Date: Sun, 27 Nov 2005 13:43:40 +0000 [thread overview]
Message-ID: <4389B80C.8040405@shadowen.org> (raw)
In-Reply-To: <44E57FC6-A500-42B7-86F9-F1F4E72734EC@mac.com>
Kyle Moffett wrote:
> There is a Kconfig problem for ppc32 in the latest -mm kernel. It
> seems that somehow the Kconfig logic for selecting memory models under
> ARCH=powerpc doesn't quite get it right for standard flatmem ppc32
> systems. When I look at the memory model selection, I only see
> sparsemem, whereas on a normal -rc2 kernel, I can see both flatmem and
> sparsemem. This somehow triggers a #error where the number of reserved
> bits is less than the number necessary for the sparsemem layout
> (because we're on a 32-bit arch without the address space for sparsemem?).
I suspect we have neglected to add back the default for FLATMEM on 32
bit when we allowed FLATMEM to be disabled for 64 bit. Will go and look
at it. Thanks for the report.
-apw
next prev parent reply other threads:[~2005-11-27 13:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-27 1:46 [2.6.15-rc2-mm1] Disabled flatmem on ppc32? (ARCH=powerpc) Kyle Moffett
2005-11-27 13:43 ` Andy Whitcroft [this message]
2005-11-27 14:32 ` Kyle Moffett
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