Date: Sat, 20 May 2000 08:01:44 -0400 (EDT) From: Zhihui Zhang <zzhang@cs.binghamton.edu> To: Joy Ganguly <joy@niksun.com> Cc: freebsd-hackers <freebsd-hackers@FreeBSD.ORG> Subject: Re: OBJ_OPT??? Message-ID: <Pine.SOL.4.21.0005200759450.11094-100000@sol.cs.binghamton.edu> In-Reply-To: <3925B8EE.E901BB31@falcon.niksun.com>
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On Fri, 19 May 2000, Joy Ganguly wrote: > hi all > > what does the flag OBJ_OPT mean?? i read it deals with some sort of IO > optimization. but i dont know what it actually does. any insights on > this?? IIRC, when you do an I/O on a file and some of the pages of that file are already in the memory. In this case, you only need to fix the mapping without any real I/O on these page, this is called I/O OPTmization. -Zhihui To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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