Date: Fri, 22 May 1998 16:30:58 -0500 (EST) From: "John S. Dyson" <dyson@FreeBSD.ORG> To: bf20761@binghamton.edu (zhihuizhang) Cc: freebsd-hackers@FreeBSD.ORG Subject: Re: How MAP_ENTRY_IS_A_MAP is used? Message-ID: <199805222130.QAA00326@dyson.iquest.net> In-Reply-To: <Pine.SOL.L3.93.980522105701.13579A-100000@bingsun2> from zhihuizhang at "May 22, 98 11:02:22 am"
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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
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