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Date: Wed, 6 Mar 2013 14:14:09 -0800
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Subject: Re: Linux 3.9-rc1
From: Yinghai Lu <yinghai@kernel.org>
To: "H. Peter Anvin" <hpa@linux.intel.com>
Cc: Henrik Rydberg <rydberg@euromail.se>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Wed, Mar 6, 2013 at 1:49 PM, H. Peter Anvin <hpa@linux.intel.com> wrote:
> On 03/06/2013 01:33 PM, Yinghai Lu wrote:
>> On Wed, Mar 6, 2013 at 12:58 PM, H. Peter Anvin <hpa@linux.intel.com> wrote:
>>
>>> Excellent.  Yinghai, can you write up the patch with a proper
>>> description and I'll put it into x86/urgent.
>>
>> I made it more robust: make sure real_end have 8M below it.
>> Please check attached one.
>>
>
> Sigh.  This is why "keep the page tables together" is fundamentally the
> wrong strategy.
>
> 8M means that we won't even be able to boot on machines with less than
> 16M or so of RAM... I'm not sure if anyone still cares, but that is a
> pretty aggressive heuristic.

Henrik's system has 5M holes, so i picked 8M.

Current what is minimum ram is required for boot x86 32bit kernel? 8M?

Thanks

Yinghai
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