From owner-svn-src-all@FreeBSD.ORG Sat Mar 20 15:30:27 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0AC0E106567B; Sat, 20 Mar 2010 15:30:27 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id EE3498FC15; Sat, 20 Mar 2010 15:30:26 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o2KFUQsH013246; Sat, 20 Mar 2010 15:30:26 GMT (envelope-from mav@svn.freebsd.org) Received: (from mav@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id o2KFUQ64013244; Sat, 20 Mar 2010 15:30:26 GMT (envelope-from mav@svn.freebsd.org) Message-Id: <201003201530.o2KFUQ64013244@svn.freebsd.org> From: Alexander Motin Date: Sat, 20 Mar 2010 15:30:26 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r205384 - head/sys/conf X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Mar 2010 15:30:27 -0000 Author: mav Date: Sat Mar 20 15:30:26 2010 New Revision: 205384 URL: http://svn.freebsd.org/changeset/base/205384 Log: Correct MAXPHYS and DFLTPHYS description. Modified: head/sys/conf/NOTES Modified: head/sys/conf/NOTES ============================================================================== --- head/sys/conf/NOTES Sat Mar 20 15:28:39 2010 (r205383) +++ head/sys/conf/NOTES Sat Mar 20 15:30:26 2010 (r205384) @@ -122,10 +122,10 @@ options BLKDEV_IOSIZE=8192 # # MAXPHYS and DFLTPHYS # -# These are the max and default 'raw' I/O block device access sizes. -# Reads and writes will be split into DFLTPHYS chunks. Some applications -# have better performance with larger raw I/O access sizes. Typically -# MAXPHYS should be twice the size of DFLTPHYS. Note that certain VM +# These are the maximal and safe 'raw' I/O block device access sizes. +# Reads and writes will be split into MAXPHYS chunks for known good +# devices and DFLTPHYS for the rest. Some applications have better +# performance with larger raw I/O access sizes. Note that certain VM # parameters are derived from these values and making them too large # can make an an unbootable kernel. #