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Path: sserve!manuel!munnari.oz.au!sgiblab!zaphod.mps.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!odin!chet From: chet@odin.ins.cwru.edu (Chet Ramey) Newsgroups: comp.unix.bsd Subject: Re: Catch What They're Saying About Us... Date: 24 Sep 1992 15:46:12 GMT Organization: Case Western Reserve University, Cleveland, OH (USA) Lines: 14 Message-ID: <19sns4INNn2a@usenet.INS.CWRU.Edu> References: <19oe23INNqh0@agate.berkeley.edu> <TYTSO.92Sep23235422@SOS.mit.edu> NNTP-Posting-Host: odin.ins.cwru.edu In article <TYTSO.92Sep23235422@SOS.mit.edu> tytso@athena.mit.edu (Theodore Y. Ts'o) writes: >Linux also supports copy-on-write when forking, which I understand 386 >BSD does not do (my information on this may be dated; please correct me >*gently* if I am wrong), and that may have helped as well. 386bsd uses the net-2 vm implementation, which is derived from the mach vm implementation, which does copy-on-write (it also performs very poorly under heavy memory load, according to CSRG). -- ``The use of history as therapy means the corruption of history as history.'' -- Arthur Schlesinger Chet Ramey, Case Western Reserve University Internet: chet@po.CWRU.Edu