From owner-svn-src-all@FreeBSD.ORG Sat Sep 29 08:11:13 2012 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 2698A106566B; Sat, 29 Sep 2012 08:11:13 +0000 (UTC) (envelope-from alc@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 125DF8FC1D; Sat, 29 Sep 2012 08:11:13 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q8T8BCCC090184; Sat, 29 Sep 2012 08:11:12 GMT (envelope-from alc@svn.freebsd.org) Received: (from alc@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q8T8BCdo090182; Sat, 29 Sep 2012 08:11:12 GMT (envelope-from alc@svn.freebsd.org) Message-Id: <201209290811.q8T8BCdo090182@svn.freebsd.org> From: Alan Cox Date: Sat, 29 Sep 2012 08:11:12 +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: r241044 - head/sys/arm/arm 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, 29 Sep 2012 08:11:13 -0000 Author: alc Date: Sat Sep 29 08:11:12 2012 New Revision: 241044 URL: http://svn.freebsd.org/changeset/base/241044 Log: Update a comment to reflect recent locking changes. Modified: head/sys/arm/arm/pmap.c Modified: head/sys/arm/arm/pmap.c ============================================================================== --- head/sys/arm/arm/pmap.c Sat Sep 29 05:52:19 2012 (r241043) +++ head/sys/arm/arm/pmap.c Sat Sep 29 08:11:12 2012 (r241044) @@ -4562,13 +4562,13 @@ retry: managed = true; if (managed) { /* - * the ARM pmap tries to maintain a per-mapping + * The ARM pmap tries to maintain a per-mapping * reference bit. The trouble is that it's kept in * the PV entry, not the PTE, so it's costly to access - * here. You would need to acquire the page queues + * here. You would need to acquire the pvh global * lock, call pmap_find_pv(), and introduce a custom * version of vm_page_pa_tryrelock() that releases and - * reacquires the page queues lock. In the end, I + * reacquires the pvh global lock. In the end, I * doubt it's worthwhile. This may falsely report * the given address as referenced. */