Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752677Ab1C1JdF (ORCPT ); Mon, 28 Mar 2011 05:33:05 -0400 Received: from router-fw.net-space.pl ([89.174.63.77]:47345 "EHLO router-fw.net-space.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750921Ab1C1JdE (ORCPT ); Mon, 28 Mar 2011 05:33:04 -0400 Date: Mon, 28 Mar 2011 11:32:31 +0200 From: Daniel Kiper To: ian.campbell@citrix.com, akpm@linux-foundation.org, andi.kleen@intel.com, haicheng.li@linux.intel.com, fengguang.wu@intel.com, jeremy@goop.org, konrad.wilk@oracle.com, dan.magenheimer@oracle.com, v.tolstov@selfip.ru, pasik@iki.fi, dave@linux.vnet.ibm.com, wdauchy@gmail.com, rientjes@google.com, xen-devel@lists.xensource.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 1/4] xen/balloon: Use PageHighMem() for high memory page detection Message-ID: <20110328093231.GF13826@router-fw-old.local.net-space.pl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1037 Lines: 28 Replace pfn < max_low_pfn by !PageHighMem() in increase_reservation(). It makes more clearer what is going on. Signed-off-by: Daniel Kiper --- drivers/xen/balloon.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 043af8a..61665b2 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -246,7 +246,7 @@ static enum bp_state increase_reservation(unsigned long nr_pages) set_phys_to_machine(pfn, frame_list[i]); /* Link back into the page tables if not highmem. */ - if (!xen_hvm_domain() && pfn < max_low_pfn) { + if (!xen_hvm_domain() && !PageHighMem(page)) { int ret; ret = HYPERVISOR_update_va_mapping( (unsigned long)__va(pfn << PAGE_SHIFT), -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/