From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: [PATCH 11/16] arm: mark heap and frametable limits as read mostly Date: Mon, 3 Sep 2012 13:30:51 +0000 Message-ID: <1346679056-8108-11-git-send-email-ian.campbell@citrix.com> References: <1346678886.32462.9.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1346678886.32462.9.camel@zakaz.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: Ian Campbell List-Id: xen-devel@lists.xenproject.org These are used in virt_to_page and page_to_virt so I imagine there's some small benefit to this (but I've not measured) Signed-off-by: Ian Campbell --- xen/arch/arm/mm.c | 9 +++++---- 1 files changed, 5 insertions(+), 4 deletions(-) diff --git a/xen/arch/arm/mm.c b/xen/arch/arm/mm.c index aafc48c..368911b 100644 --- a/xen/arch/arm/mm.c +++ b/xen/arch/arm/mm.c @@ -47,11 +47,12 @@ uint64_t boot_httbr; static paddr_t phys_offset; /* Limits of the Xen heap */ -unsigned long xenheap_mfn_start, xenheap_mfn_end; -unsigned long xenheap_virt_end; +unsigned long xenheap_mfn_start __read_mostly; +unsigned long xenheap_mfn_end __read_mostly; +unsigned long xenheap_virt_end __read_mostly; -unsigned long frametable_base_mfn; -unsigned long frametable_virt_end; +unsigned long frametable_base_mfn __read_mostly; +unsigned long frametable_virt_end __read_mostly; unsigned long max_page; -- 1.7.9.1