From owner-freebsd-current Fri May 10 00:23:17 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id AAA28450 for current-outgoing; Fri, 10 May 1996 00:23:17 -0700 (PDT) Received: from irz301.inf.tu-dresden.de (irz301.inf.tu-dresden.de [141.76.1.11]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id AAA28420 for ; Fri, 10 May 1996 00:23:05 -0700 (PDT) Received: from sax.sax.de by irz301.inf.tu-dresden.de (8.6.12/8.6.12-s1) with ESMTP id JAA21696; Fri, 10 May 1996 09:21:58 +0200 Received: by sax.sax.de (8.6.12/8.6.12-s1) with UUCP id JAA26722; Fri, 10 May 1996 09:21:52 +0200 Received: (from j@localhost) by uriah.heep.sax.de (8.7.5/8.6.9) id JAA23858; Fri, 10 May 1996 09:16:25 +0200 (MET DST) From: J Wunsch Message-Id: <199605100716.JAA23858@uriah.heep.sax.de> Subject: Re: Max data segment size To: freebsd-current@FreeBSD.org (FreeBSD-current users) Date: Fri, 10 May 1996 09:16:24 +0200 (MET DST) Cc: nisha@CS.Berkeley.EDU Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) In-Reply-To: <199605092258.PAA14319@sunrise.cs.berkeley.edu> from Satoshi Asami at "May 9, 96 03:58:50 pm" X-Phone: +49-351-2012 669 X-PGP-Fingerprint: DC 47 E6 E4 FF A6 E9 8F 93 21 E0 7D F9 12 D6 4E X-Mailer: ELM [version 2.4ME+ PL15 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-current@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk As Satoshi Asami wrote: > What are the rationales behind this being in a machine-specific system > header file, in other words, does this mean that I can't increase the > max data segment size beyond 128MB on an x86? Pending other explanations, i believe it's the size of the page tables (or page table directories?) reserved for these segments. -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)