From owner-svn-src-head@FreeBSD.ORG Fri May 7 06:58:53 2010 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A0CD41065670; Fri, 7 May 2010 06:58:53 +0000 (UTC) (envelope-from alc@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [69.147.83.44]) by mx1.freebsd.org (Postfix) with ESMTP id 911298FC15; Fri, 7 May 2010 06:58:53 +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 o476wrVr020383; Fri, 7 May 2010 06:58:53 GMT (envelope-from alc@svn.freebsd.org) Received: (from alc@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id o476wroB020381; Fri, 7 May 2010 06:58:53 GMT (envelope-from alc@svn.freebsd.org) Message-Id: <201005070658.o476wroB020381@svn.freebsd.org> From: Alan Cox Date: Fri, 7 May 2010 06:58:53 +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: r207740 - head/sys/vm X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 May 2010 06:58:53 -0000 Author: alc Date: Fri May 7 06:58:53 2010 New Revision: 207740 URL: http://svn.freebsd.org/changeset/base/207740 Log: Update the synchronization requirements for the page usage count. Modified: head/sys/vm/vm_page.h Modified: head/sys/vm/vm_page.h ============================================================================== --- head/sys/vm/vm_page.h Fri May 7 05:23:15 2010 (r207739) +++ head/sys/vm/vm_page.h Fri May 7 06:58:53 2010 (r207740) @@ -116,7 +116,7 @@ struct vm_page { u_int wire_count; /* wired down maps refs (P) */ short hold_count; /* page hold count (P) */ u_short oflags; /* page flags (O) */ - u_char act_count; /* page usage count (Q) */ + u_char act_count; /* page usage count (P) */ u_char busy; /* page busy count (O) */ /* NOTE that these must support one bit per DEV_BSIZE in a page!!! */ /* so, on normal X86 kernels, they must be at least 8 bits wide */