Path: ...!2.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Lawrence D'Oliveiro Newsgroups: comp.arch Subject: Re: Address bits again, Article on new mainframe use Date: Sat, 7 Sep 2024 23:45:10 -0000 (UTC) Organization: A noiseless patient Spider Lines: 11 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Sun, 08 Sep 2024 01:45:10 +0200 (CEST) Injection-Info: dont-email.me; posting-host="5b47ecd330ac087ccb2ea7289cdcbed3"; logging-data="1673427"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19Hwtcq0bcDaMgiKViNP4SJ" User-Agent: Pan/0.160 (Toresk; ) Cancel-Lock: sha1:5l5c80nilP7yP8J+ivah+8462qw= Bytes: 1535 On Thu, 5 Sep 2024 14:59:20 -0000 (UTC), John Levine wrote: > What I really wanted was relocatable segments I could load on demand or > paging, but that was a lot to ask of an 8088 or a real mode 286. The Burroughs machines had swappable segments, I gather. So the difference between segmentation and paging came down to: the address space is still linear, but segments are variable-length, and pages are fixed-length. It was soon generally agreed that fixed-length pages were easier to deal with.