linux-kernel - Re: Regressions in the last kernels

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Message-ID: <48552C98.1020105@davidnewall.com>
Date:	Mon, 16 Jun 2008 00:22:08 +0930
From:	David Newall <davidn@...idnewall.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	werner <werner@...-linux.yi.org>, linux-kernel@...r.kernel.org
Subject: Re: Regressions in the last kernels

Rafael J. Wysocki wrote:
> On Sunday, 15 of June 2008, David Newall wrote:
>   
>> werner wrote:
>>     
>>> During preparation and own testing for my distro; installation on computers
>>> for neighbours, by reclamations by users, I learned about the following
>>> problems of 2.6.26-rcX :  
>>>
>>> 1) When compiling for i486,  one cannot select/configurate more memory than
>>> 4 GB, menuconfig don't show items with higher values. 
>>>   
>>>       
>> Is not the i486 limited to a 4GB address space?
>>     
>
> The point, if I understand it correctly, is that if you compile the kernel for
> i486 and then run it on something that does support PAE, it will only see
> 4 GB of RAM.

Rather like compiling it for i486 and running it on ia64: you ask for an
i486, you don't get to use features beyond that CPU.
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