Article View: comp.sys.sun
Article #11304sticky bit
From: Glenn A. Adams
Date: Mon, 06 Mar 1989 02:12
Date: Mon, 06 Mar 1989 02:12
11 lines
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1047 bytes
> I've often wondered just what the sticky bit does in a demand-paged VM > system. The documentation isn't what I would call descriptive about this. > I have a vague idea what it's suppsed to do, but what does it *actually* > do? --wnl At least under 4.3BSD, it is superfluous since freed text pages and text page tables are kept around for reclaim unless memory demands are really heavy. See the discussion in Leffler's "4.3BSD Implementation" for more details. I'm almost certain Sun's OS maintains this reclaim policy also. Glenn Adams
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!cornell!uw-beaver!rice!sun-spots-request From: glenn@wheaties.ai.mit.edu (Glenn A. Adams) Newsgroups: comp.sys.sun Subject: sticky bit Keywords: SunOS Message-ID: <8902221902.AA10232@frosted-flakes.ai.mit.edu> Date: 6 Mar 89 02:12:55 GMT Sender: usenet@rice.edu Organization: Sun-Spots Lines: 11 Approved: Sun-Spots@rice.edu Original-Date: Wed, 22 Feb 89 14:02:22 EST X-Sun-Spots-Digest: Volume 7, Issue 182, message 12 of 17