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From: mojo@netcom.UUCP (Morris Jones)
Newsgroups: comp.windows.ms.programmer
Subject: Re: Windows 3 segment/selector problems (Tech. Quest.)
Keywords: windows-3 selectors 80286 80386
Message-ID: <19121@netcom.UUCP>
Date: 19 Dec 90 18:20:41 GMT
References: <2564@wn1.sci.kun.nl>
Distribution: comp
Organization: Netcom- The Bay Area's Public Access Unix System {408 241-9760 guest}
Lines: 17

ge@cs.kun.nl writes:
>Do selector numbers refering to blocks of memory change through the lifetime of
>a program? If they do I have to address all memory through a special table,
>which would slow down the implementation severely. Does the alternative,
>keeping the heap blocks locked for all time, give major problems?

In enhanced mode, memory selectors don't change.  If you really must, you
can keep the memory locked without serious effect, because the 386 can
still swap memory out to the swapfile.  But don't PageLock all your memory.

Mojo

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