From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: tuhs-bounces@minnie.tuhs.org X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE, T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.1 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id c0edfb59 for ; Sat, 1 Sep 2018 18:25:13 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id C50D5A203F; Sun, 2 Sep 2018 04:25:12 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id C92DEA1A6D; Sun, 2 Sep 2018 04:24:54 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=judmdS/X; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 93A3DA1A20; Sun, 2 Sep 2018 04:24:49 +1000 (AEST) Received: from mail-wm0-f42.google.com (mail-wm0-f42.google.com [74.125.82.42]) by minnie.tuhs.org (Postfix) with ESMTPS id F18B0A1A1A for ; Sun, 2 Sep 2018 04:24:47 +1000 (AEST) Received: by mail-wm0-f42.google.com with SMTP id o18-v6so8136031wmc.0 for ; Sat, 01 Sep 2018 11:24:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=Gd79B0cH9LuhmdYE9Y8TD+0WG4fcMOuRW38V9X40Yrc=; b=judmdS/XlDpcD+xD2nBBcQyO52DGY8sHo2l5slOccb92FfopHXiGtMBCL0LU0t7Q1Z nFeXOW512vH00vyYyhxnsGzpwvkdHVjMARv8OiqRB+O3tEGHQvd8dYS4uP7cAsLw3gPD MRbqkqu9DElpo4AUtnfrz8xNtuS1nxcfihKJTpdQRTyMw+fZQ9nNtqaMjS7eHpkAM4F9 Yl+1bxrAUNFdCh++5pJz/qjH9zLz/XTNAzvBcf7+hd+yBclPVZuHU9SFYqyOMTJEASDU 7tbOiCmNqL3hPoOEGmZXSB3seSmAB4LzcfbfNKtLtEDWYkj/6IhDdJ7r3HOyQurPsEi4 FumQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=Gd79B0cH9LuhmdYE9Y8TD+0WG4fcMOuRW38V9X40Yrc=; b=uAcyBalDCxEQZ0BFN9FYW4Mp0Hqtg0q77O2cgPcS1UC4gf2w+NOeoZLsqfGwSgOber d6zMoZcdY6nOlPCfM5VfaG7xbOVDnBZsbrWGtEptcsNKuq5qtEpO+hS1m0JBAYFQO4vd oyV7rIsH7hkfmoiFAeU/y/QW9tjjtSdJh4HabhohXxbscr8Tvr541EaoYlEbYIsSPVl6 P50xYFnPhx2FdXaxzssR1JzSl9xnRxmy5pNxq2L7oYfZqRAc0UJadSxyDHhLHHm4Zh5Y tOkxVp5niv8Mmaei6fObSePX+0q1i9IOwvFewcJubzKGnNMRnGi07a6dzFuuZsULSXGl oSoA== X-Gm-Message-State: APzg51B/6bzhqlaYrAyQ8k94bP5tfscDe+pz8M78Y+G/x+XRuKmSogP1 ZPXIypr/57DdiB4vwvnzHr0= X-Google-Smtp-Source: ANB0VdYRX89WeAliUzGtZAKnJO0a4efDDZQH0xhimVZprE0u9eUDwg15EbtuapjWloBPsaBjumDtiQ== X-Received: by 2002:a1c:a94d:: with SMTP id s74-v6mr1299931wme.39.1535826286284; Sat, 01 Sep 2018 11:24:46 -0700 (PDT) Received: from sunny.my.domain (15.43.187.81.in-addr.arpa. [81.187.43.15]) by smtp.gmail.com with ESMTPSA id h7-v6sm13696554wrs.3.2018.09.01.11.24.45 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 01 Sep 2018 11:24:45 -0700 (PDT) Date: Sat, 1 Sep 2018 19:24:43 +0100 From: Steve Mynott To: Warner Losh Message-ID: <20180901182442.GA29206@sunny.my.domain> References: <201808280601.w7S61oLM030628@freefriends.org> <20180829004627.GG317@mcvoy.com> <201808290529.w7T5TFKa006049@freefriends.org> <20180829145300.GP317@mcvoy.com> <20180901150109.GT28971@mcvoy.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-OS: Linux sunny 4.17.0-1-amd64 User-Agent: Mutt/1.10.1 (2018-07-13) Subject: Re: [TUHS] SunOS code? X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: TUHS main list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" There is a paper on the SunOS 4 VM available at (for some reason I always forget the ghostview binary is actually called gv the rare time I use it!) Some basic grepping suggests at least some of the tags in the paper were still in use in Open Solaris at: There is a paper on UVM as well. This says the original 4.4BSD Mach VM suffered from "swap memory leak deadlock" and claims of its sibling (at least in 1999) that although the FreeBSD VM is improved that "it still suffers from the object chaining model it inherited". The FreeBSD VM was documented before 2013 in "Much of the apparent complexity of the FreeBSD design, especially in the VM/Swap subsystem, is a direct result of having to solve serious performance issues that occur under various conditions." -- Steve Mynott cv25519/ECF8B611205B447E091246AF959E3D6197190DD5