From owner-svn-src-projects@FreeBSD.ORG Wed Jun 25 08:45:35 2014 Return-Path: Delivered-To: svn-src-projects@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id DC04AFD9; Wed, 25 Jun 2014 08:45:35 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id C93DE2B59; Wed, 25 Jun 2014 08:45:35 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s5P8jZhR086463; Wed, 25 Jun 2014 08:45:35 GMT (envelope-from cherry@svn.freebsd.org) Received: (from cherry@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s5P8jZIA086462; Wed, 25 Jun 2014 08:45:35 GMT (envelope-from cherry@svn.freebsd.org) Message-Id: <201406250845.s5P8jZIA086462@svn.freebsd.org> From: "Cherry G. Mathew" Date: Wed, 25 Jun 2014 08:45:35 +0000 (UTC) To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r267855 - projects/amd64_xen_pv/sys/vm X-SVN-Group: projects MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-projects@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: "SVN commit messages for the src " projects" tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Jun 2014 08:45:35 -0000 Author: cherry Date: Wed Jun 25 08:45:35 2014 New Revision: 267855 URL: http://svnweb.freebsd.org/changeset/base/267855 Log: On XEN PV, in order to include reclaimed startup/bootstrap pages, we need to set low_water to 0, unlike on native. XEN on amd64 uses the direct map, so include all mapped kernel pages in the crash dump, just like native. Approved by: gibbs(implicit) Modified: projects/amd64_xen_pv/sys/vm/vm_page.c Modified: projects/amd64_xen_pv/sys/vm/vm_page.c ============================================================================== --- projects/amd64_xen_pv/sys/vm/vm_page.c Wed Jun 25 07:57:01 2014 (r267854) +++ projects/amd64_xen_pv/sys/vm/vm_page.c Wed Jun 25 08:45:35 2014 (r267855) @@ -323,7 +323,7 @@ vm_page_startup(vm_offset_t vaddr) high_water = phys_avail[i + 1]; } -#if defined(XEN) && !defined(__amd64__) +#if defined(XEN) low_water = 0; #endif @@ -423,7 +423,7 @@ vm_page_startup(vm_offset_t vaddr) */ new_end = vm_reserv_startup(&vaddr, new_end, high_water); #endif -#if defined(__amd64__) && !defined(XEN) || defined(__mips__) +#if defined(__amd64__) || defined(__mips__) /* * pmap_map on amd64 and mips can come out of the direct-map, not kvm * like i386, so the pages must be tracked for a crashdump to include