From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4C40C433EF for ; Fri, 24 Jun 2022 05:21:47 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 81F2D6B02A6; Fri, 24 Jun 2022 01:21:47 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 7A6946B02A8; Fri, 24 Jun 2022 01:21:47 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 6487C6B02A9; Fri, 24 Jun 2022 01:21:47 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id 4EF346B02A6 for ; Fri, 24 Jun 2022 01:21:47 -0400 (EDT) Received: from smtpin11.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay12.hostedemail.com (Postfix) with ESMTP id 20BA3120BE3 for ; Fri, 24 Jun 2022 05:21:47 +0000 (UTC) X-FDA: 79611982254.11.D40BC6B Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf14.hostedemail.com (Postfix) with ESMTP id CB4DF10001D for ; Fri, 24 Jun 2022 05:21:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=QYAP6IdYxL4kkP1mhFiWFjHH5BifnWV+2KXEJB5WN44=; b=vzFJlocgeN9Sn5a6VlqTMFsTGY spn+jb0ZGmZFBUPtgTeT5l3ETwKxU8cJw9juEpT490/JJZ8T84TkG9jSA1WN13ix1Rg/6JtCx7A6Y Qr5aim01kpLR8tF9eVuG4M3oLni2WsyOxRwUbkBurz8n3uAL8OPxWTHyPbZNlT0sCjd4abNX7GsQL k+ihqoWOlZdrzK8sGGb8Xw764sspo87RnfFrOiFIl3aO1VLj+Y4OI76Lc/+blZNDfJnhhwnPtzGsj Omz4DbGrmtJ6CuJeOcV6bqdsmqHsoyWJZkPQxsLlDnpY0lM8GjBxxjyIaableNzgWQSj/EPV39I2D 97JcYzwg==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4blI-000aUe-MC; Fri, 24 Jun 2022 05:21:44 +0000 Date: Thu, 23 Jun 2022 22:21:44 -0700 From: Christoph Hellwig To: Anshuman Khandual Cc: Christoph Hellwig , linux-mm@kvack.org, christophe.leroy@csgroup.eu, Andrew Morton , linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, x86@kernel.org, openrisc@lists.librecores.org, linux-xtensa@linux-xtensa.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-parisc@vger.kernel.org, linux-alpha@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-um@lists.infradead.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH V4 00/26] mm/mmap: Drop __SXXX/__PXXX macros from across platforms Message-ID: References: <20220624044339.1533882-1-anshuman.khandual@arm.com> <33bdac1e-207a-192b-bf43-818abfa49fe1@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <33bdac1e-207a-192b-bf43-818abfa49fe1@arm.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html ARC-Authentication-Results: i=1; imf14.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=vzFJlocg; spf=none (imf14.hostedemail.com: domain of BATV+825a24a2c69d0abd218e+6879+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+825a24a2c69d0abd218e+6879+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1656048106; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=QYAP6IdYxL4kkP1mhFiWFjHH5BifnWV+2KXEJB5WN44=; b=yXrOm0xyZr3oxg+0OO5i0Ip9rC7vZajC6+anDxTHqDDXwo84ow4gNO35ozCONzj0/hPgP5 KinPjTb4jwtABXyL8tBQjkiSaDp+vFH8n9yDomd6V/UhgxkW2MI9uP2aE/qOe6VPax6xrW v6HjHI656MQpZYBD7N2yYpaO+om6wi0= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1656048106; a=rsa-sha256; cv=none; b=37wUzHXTerwqGrDdSTTiXuRvV8ABddrqwrB4rVQk3TLLs9TgPBW9vewMhruCebKJ9I3Kbu 2WjbCENZtzM8kwtL766OSXVAR6LNfi14pKCXwc/IB8gn5gAWn/a9Y8SmNE63J0LgGKEevy en8kvL6FtBYAAYv0iHdLVUdaxLnSjaI= X-Stat-Signature: js9ww7jwbxhzzy4nrr878518whxhhhrs X-Rspamd-Queue-Id: CB4DF10001D X-Rspam-User: Authentication-Results: imf14.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=vzFJlocg; spf=none (imf14.hostedemail.com: domain of BATV+825a24a2c69d0abd218e+6879+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+825a24a2c69d0abd218e+6879+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none X-Rspamd-Server: rspam02 X-HE-Tag: 1656048106-237381 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, Jun 24, 2022 at 10:50:33AM +0530, Anshuman Khandual wrote: > > On most architectures this should be const now, only very few ever > > modify it. > > Will make it a 'static const pgprot_t protection_map[16] __ro_after_init' > on platforms that do not change the protection_map[] even during boot. No need for __ro_after_init when it is already declarated const.