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Mail Archives: djgpp/2003/09/23/15:47:46

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From: eplmst AT lu DOT erisoft DOT se (Martin Stromberg)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Large memory usage CWSDPMI test available
Date: 3 Dec 2001 14:33:51 GMT
Organization: Ericsson Erisoft AB, Sweden
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Message-ID: <9ug2gf$pq8$1@antares.lu.erisoft.se>
References: <3c0aaaa6 DOT sandmann AT clio DOT rice DOT edu>
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Charles Sandmann (sandmann AT clio DOT rice DOT edu) wrote:
: This version implements 4Mb pages on hardware that support it (Pentium+
: without VCPI).  This decreases the DOS memory footprint for large memory
: systems and increases the performance when using more than 500Mb of 
: physical memory.

[...]

: This also gives an early glimpse of the the way the 4Mb paging stuff might
: work (interesting for those who do DMA or mess with page tables).  In 
: particular, I haven't decided how this should work (if at all) with 
: virtual memory.  Does anyone want to bother with virtual memory if they
: have more than 500Mb of physical memory and are running under DOS?

So when this is enabled there's no swap?


Right,

						MartinS

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