From owner-freebsd-hackers Wed Aug 12 13:06:15 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id NAA01201 for freebsd-hackers-outgoing; Wed, 12 Aug 1998 13:06:15 -0700 (PDT) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from bingsun2.cc.binghamton.edu (bingsun2.cc.binghamton.edu [128.226.1.6]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id NAA01103 for ; Wed, 12 Aug 1998 13:06:01 -0700 (PDT) (envelope-from bf20761@binghamton.edu) Received: from localhost (bf20761@localhost) by bingsun2.cc.binghamton.edu (8.8.7/8.6.9) with SMTP id QAA21934 for ; Wed, 12 Aug 1998 16:05:28 -0400 (EDT) Date: Wed, 12 Aug 1998 16:05:27 -0400 (EDT) From: zhihuizhang X-Sender: bf20761@bingsun2 Reply-To: zhihuizhang To: hackers Subject: Some buffer questions Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi, It seems to me that there are two kinds of buffers: phyical buffers and (normal?) buffers. Both use the structure buf to describe them. Normal buffers are further divided into VMIO and non-VMIO. Can any one explain these classifications to me? Any help is appreciated. -------------------------------------------------- | Zhihui Zhang, http://cs.binghamton.edu/~zzhang | | Dept. of Computer Science, SUNY at Binghamton | -------------------------------------------------- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message