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V" , Andrew Morton Cc: Jacopo Mondi , Daniel Palmer , linux-sh@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <2c2eef3c9a2f57e5609100a4864715ccf253d30f.1631713483.git.geert+renesas@glider.be> From: Rob Landley Message-ID: <1acace03-4273-a5ad-50b4-5ab8e3baa551@landley.net> Date: Thu, 16 Sep 2021 20:32:20 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <2c2eef3c9a2f57e5609100a4864715ccf253d30f.1631713483.git.geert+renesas@glider.be> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: F259E10001C2 X-Stat-Signature: czjd3i57n3dakkqqdttodtyqm7znfhqw Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=landley-net.20210112.gappssmtp.com header.s=20210112 header.b=cV4WEVAC; spf=none (imf07.hostedemail.com: domain of rob@landley.net has no SPF policy when checking 209.85.166.53) smtp.mailfrom=rob@landley.net; dmarc=none X-HE-Tag: 1631841176-575342 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 9/15/21 8:50 AM, Geert Uytterhoeven wrote: > arch/sh/include/asm/pgtable-3level.h:37:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] ... > The truncation to "unsigned long" has been there since forever, so > probably it still works fine ;-) 1) Linux is LP64 so sizeof(long) and sizeof(pointer) always match, so it's not truncating. 2) The sh5 only ever shipped evaluation units, it never had a production run, and we haven't implemented j64 yet, so all superh targets are currently 32 bit. (I.E. it's complaining about _expanding_ the pointer, which shouldn't be a problem as long as endianness is respected.) Rob