From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: [PATCH 1/3] xen: add page_to_mfn() Date: Tue, 13 Jan 2015 17:16:42 +0000 Message-ID: <1421169404-27461-2-git-send-email-david.vrabel@citrix.com> References: <1421169404-27461-1-git-send-email-david.vrabel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain Cc: David Vrabel , , Konrad Rzeszutek Wilk , Boris Ostrovsky To: Return-path: Received: from smtp02.citrix.com ([66.165.176.63]:59758 "EHLO SMTP02.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752291AbbAMRUX (ORCPT ); Tue, 13 Jan 2015 12:20:23 -0500 In-Reply-To: <1421169404-27461-1-git-send-email-david.vrabel@citrix.com> Sender: netdev-owner@vger.kernel.org List-ID: pfn_to_mfn(page_to_pfn(p)) is a common use case so add a generic helper for it. Signed-off-by: David Vrabel --- include/xen/page.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/xen/page.h b/include/xen/page.h index 12765b6..c5ed20b 100644 --- a/include/xen/page.h +++ b/include/xen/page.h @@ -3,6 +3,11 @@ #include +static inline unsigned long page_to_mfn(struct page *page) +{ + return pfn_to_mfn(page_to_pfn(page)); +} + struct xen_memory_region { phys_addr_t start; phys_addr_t size; -- 1.7.10.4