From owner-freebsd-hackers Fri May 22 14:31:43 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id OAA22141 for freebsd-hackers-outgoing; Fri, 22 May 1998 14:31:43 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id OAA22118 for ; Fri, 22 May 1998 14:31:26 -0700 (PDT) (envelope-from toor@dyson.iquest.net) Received: (from root@localhost) by dyson.iquest.net (8.8.8/8.8.8) id QAA00326; Fri, 22 May 1998 16:30:58 -0500 (EST) (envelope-from toor) Message-Id: <199805222130.QAA00326@dyson.iquest.net> Subject: Re: How MAP_ENTRY_IS_A_MAP is used? In-Reply-To: from zhihuizhang at "May 22, 98 11:02:22 am" To: bf20761@binghamton.edu (zhihuizhang) Date: Fri, 22 May 1998 16:30:58 -0500 (EST) Cc: freebsd-hackers@FreeBSD.ORG From: "John S. Dyson" Reply-To: dyson@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL38 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG zhihuizhang said: > > Hi, friends: > > I am reading VM source code concerning the vm_map_entry structure. There > is a flag called MAP_ENTRY_IS_A_MAP used widely, but I search all the > codes in VM and can not find where this flag gets set into the eflags > field of the vm_map_entry structure. By the way, MAP_ENTRY_IS_A_SUB_MAP > is set in vm_map_submap( ). It is often used together with > MAP_ENTRY_IS_A_MAP. I hope someone can give me a hint on this. > It is legacy, perhaps to be resurrected, perhaps not. -- John | Never try to teach a pig to sing, dyson@freebsd.org | it just makes you look stupid, jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message