From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752802AbcHKNld (ORCPT ); Thu, 11 Aug 2016 09:41:33 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:35200 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751083AbcHKNl2 (ORCPT ); Thu, 11 Aug 2016 09:41:28 -0400 From: Jisheng Zhang To: , , , CC: , , Jisheng Zhang Subject: [PATCH v2 0/4] arm64: put objects into proper sections Date: Thu, 11 Aug 2016 21:36:45 +0800 Message-ID: <1470922609-754-1-git-send-email-jszhang@marvell.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2016-08-11_10:,, signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1608110183 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series tries to put objects into proper sections. patch1 puts alloc_vectors_page() into .init section. This is a clean up patch. patch2 constify vm_special_mapping used for aarch32 vectors page. patch3 fix the incorrect placement of __initdata and __read_mostly patch4 apply __ro_after_init to some objects Previously I only want to mark vdso_pages, vdso_spec, vectors_page and cpu_ops as __read_mostly for performance reason. Then inspired by Kees's patch[1], I think __ro_after_init is better. [1] http://www.spinics.net/lists/arm-kernel/msg523188.html Changes since v1: - use __ro_after_init instead of __read_mostly - find more objects to be suitable for __ro_after_init - add one more patch to fix the incorrect placement of __initdata and __read_mostly Jisheng Zhang (4): arm64: vdso: add __init section marker to alloc_vectors_page arm64: vdso: constify vm_special_mapping used for aarch32 vectors page arm64: kaslr: Fix incorrect placement of __initdata and __read_mostly arm64: apply __ro_after_init to some objects arch/arm64/kernel/cpu_ops.c | 2 +- arch/arm64/kernel/kaslr.c | 4 ++-- arch/arm64/kernel/vdso.c | 31 +++++++++++++++---------------- arch/arm64/mm/dma-mapping.c | 2 +- arch/arm64/mm/init.c | 4 ++-- arch/arm64/mm/mmu.c | 2 +- 6 files changed, 22 insertions(+), 23 deletions(-) -- 2.8.1