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List:       kde-linux
Subject:    Re: [kde-linux] Very ugly image in X root window.
From:       James Tyrer <jrtyrer () earthlink ! net>
Date:       2012-06-13 2:53:55
Message-ID: 4FD800C3.1080001 () earthlink ! net
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On 06/11/2012 09:47 PM, James Tyrer wrote:
<SNIP>
> We take as a given that a process can only address 4 GiBs with 32 bits.
> However it is also a given that hardware does not need to have that much
> physical memory. I fully understand only the Motorola 32K and the Intel
> Pentium hardware but I presume that all hardware memory management is
> similar. In both cases the memory management hardware allows each
> process to have a virtual address space of 4 GiBs. I have always been
> disappointed that Linux has diverged from actual UNIX in this regard
> with the use of a 'flat' memory space. But, then UNIX will only run on
> systems with hardware memory management and Linux runs on my Television
> set (yes my Sony 42" flat screen runs the Linux OS). I have always
> thought that the solution to this problem would be to do both -- support
> virtual memory (as opposed to flat) when there is memory management
> hardware and use flat memory when there is not MM hardware.

Ahhh ... that would be:

Motorola 68k

-- 
James Tyrer

Linux (mostly) From Scratch
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