From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752895AbdJSMoe (ORCPT ); Thu, 19 Oct 2017 08:44:34 -0400 Received: from pandora.armlinux.org.uk ([78.32.30.218]:60610 "EHLO pandora.armlinux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752643AbdJSMoc (ORCPT ); Thu, 19 Oct 2017 08:44:32 -0400 Date: Thu, 19 Oct 2017 13:43:57 +0100 From: Russell King - ARM Linux To: "Liuwenliang (Lamb)" Cc: Ard Biesheuvel , kbuild test robot , "kbuild-all@01.org" , "aryabinin@virtuozzo.com" , "afzal.mohd.ma@gmail.com" , "f.fainelli@gmail.com" , "labbott@redhat.com" , "kirill.shutemov@linux.intel.com" , "mhocko@suse.com" , "cdall@linaro.org" , "marc.zyngier@arm.com" , "catalin.marinas@arm.com" , "akpm@linux-foundation.org" , "mawilcox@microsoft.com" , "tglx@linutronix.de" , "thgarnie@google.com" , "keescook@chromium.org" , "arnd@arndb.de" , "vladimir.murzin@arm.com" , "tixy@linaro.org" , "robin.murphy@arm.com" , "mingo@kernel.org" , "grygorii.strashko@linaro.org" , "glider@google.com" , "dvyukov@google.com" , "opendmb@gmail.com" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "kasan-dev@googlegroups.com" , "linux-mm@kvack.org" , Jiazhenghua , Dailei , Zengweilin , Heshaoliang Subject: Re: [PATCH 04/11] Define the virtual space of KASan's shadow region Message-ID: <20171019124357.GY20805@n2100.armlinux.org.uk> References: <20171011082227.20546-5-liuwenliang@huawei.com> <201710141957.mbxeZJHB%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 17, 2017 at 11:27:19AM +0000, Liuwenliang (Lamb) wrote: > ---c0a3b198: b6e00000 .word 0xb6e00000 //TASK_SIZE:0xb6e00000 It's probably going to be better all round to round TASK_SIZE down to something that fits in an 8-bit rotated constant anyway (like we already guarantee) which would mean this patch is not necessary. -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up According to speedtest.net: 8.21Mbps down 510kbps up