From owner-svn-src-all@FreeBSD.ORG Wed Jan 18 04:34:19 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 8D67C106566C; Wed, 18 Jan 2012 04:34:19 +0000 (UTC) (envelope-from kib@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 77E988FC19; Wed, 18 Jan 2012 04:34:19 +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 q0I4YJ8k022443; Wed, 18 Jan 2012 04:34:19 GMT (envelope-from kib@svn.freebsd.org) Received: (from kib@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q0I4YJ6X022441; Wed, 18 Jan 2012 04:34:19 GMT (envelope-from kib@svn.freebsd.org) Message-Id: <201201180434.q0I4YJ6X022441@svn.freebsd.org> From: Konstantin Belousov Date: Wed, 18 Jan 2012 04:34:19 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r230297 - stable/9/sys/vm 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: Wed, 18 Jan 2012 04:34:19 -0000 Author: kib Date: Wed Jan 18 04:34:18 2012 New Revision: 230297 URL: http://svn.freebsd.org/changeset/base/230297 Log: MFC r229495: Do not restart the scan in vm_object_page_clean() on the object generation change if requested mode is async. Modified: stable/9/sys/vm/vm_object.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/vm/vm_object.c ============================================================================== --- stable/9/sys/vm/vm_object.c Wed Jan 18 04:12:32 2012 (r230296) +++ stable/9/sys/vm/vm_object.c Wed Jan 18 04:34:18 2012 (r230297) @@ -840,8 +840,12 @@ rescan: if (p->valid == 0) continue; if (vm_page_sleep_if_busy(p, TRUE, "vpcwai")) { - if (object->generation != curgeneration) - goto rescan; + if (object->generation != curgeneration) { + if ((flags & OBJPC_SYNC) != 0) + goto rescan; + else + clearobjflags = 0; + } np = vm_page_find_least(object, pi); continue; } @@ -850,8 +854,12 @@ rescan: n = vm_object_page_collect_flush(object, p, pagerflags, flags, &clearobjflags); - if (object->generation != curgeneration) - goto rescan; + if (object->generation != curgeneration) { + if ((flags & OBJPC_SYNC) != 0) + goto rescan; + else + clearobjflags = 0; + } /* * If the VOP_PUTPAGES() did a truncated write, so