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 X-Spam-Level: X-Spam-Status: No, score=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3902BC43144 for ; Wed, 27 Jun 2018 20:07:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D319C258B3 for ; Wed, 27 Jun 2018 20:07:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="sy6aaIgJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D319C258B3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966531AbeF0UHO (ORCPT ); Wed, 27 Jun 2018 16:07:14 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:52281 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965695AbeF0UHN (ORCPT ); Wed, 27 Jun 2018 16:07:13 -0400 Received: by mail-wm0-f66.google.com with SMTP id e69-v6so4218507wme.2 for ; Wed, 27 Jun 2018 13:07:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=3+ahptcnPLjqv9RbpM+7gBj5KyJMOYqs7rGDbhiIQM4=; b=sy6aaIgJxFliL2ovU22p/sh7+9I1fr8QQxInV+pteaTRZNfG1oq8OZOjEs3lGgLACM G8Tie6JOaqU8bAznpSFUX1j5mbzdnpZv8fxmmSbt9kUcT0Erwj/lEUo4sjk9en9nLeIm QhIoTRG30u4syxRkB8HuAXB76tWsGSDjzwxUv1HNomqQfNUwYbL/Znp1oU1+aTuRQPh1 b1rZngWD+AHE6tq5Wb0CTOFSQO/Nof9KqfZuhQxDely5eOY4MugmNwim288GNE/6C+iK cbSaIeLZ1JOQeJfIAsoZ3YGMgKlszt4HsagJFA7/3J+Lka4ThNBH8hmAbqFlBXDYAGpn h7pg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=3+ahptcnPLjqv9RbpM+7gBj5KyJMOYqs7rGDbhiIQM4=; b=S2me8M7p6L6UCTeWrCjIAnJJAuyazas1V09w8tynx8W99zx3nERvJpSOkNe8akp6mj w+9PTOMLiTwAl9oBvDVzq69uoaCTJaU+91Qv1YvNS+BeYndWTpiXhV1vhaarRpWrSBSP bBpNV1B+babsVs9RO4d8cdc4d0q78UqHzbdszuW5eDoVAJl8zDgw84h9a6J234BtsBAn xn2lwFcImVKbPDb70dGW4XFLsIx19jWOjOuI2UF7Bj2TlVQYsY+ZpnSgg4UHXGtCA4OC +Z864HO0i3Ap7U6hV+ZKb+RzyKiqpZNZQPTmjtIehrwk4B7rXDJL7ZzI927mQnuYfmKz 3mHg== X-Gm-Message-State: APt69E13WZfoyTGield/+RfXNGXILAYvgDTvXL1+vBAoCo8uz51aHweL N3yMsT7lXAH7QwXLN06Ucw== X-Google-Smtp-Source: AAOMgpfuHPoNqqvIYdURnkbbuEmbbi7C5Q+m5Y28CnKl2zHhsknUkcjFnBo0/HlgdTRdwFfQ1cTAQQ== X-Received: by 2002:a1c:cb8e:: with SMTP id b136-v6mr6166140wmg.112.1530130032620; Wed, 27 Jun 2018 13:07:12 -0700 (PDT) Received: from avx2 (nat4-minsk-pool-46-53-177-92.telecom.by. [46.53.177.92]) by smtp.gmail.com with ESMTPSA id r15-v6sm4523605wro.21.2018.06.27.13.07.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 Jun 2018 13:07:12 -0700 (PDT) Date: Wed, 27 Jun 2018 23:07:10 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] proc: use "unsigned int" in /proc/stat hook Message-ID: <20180627200710.GC18434@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Number of CPUs is never high enough to force 64-bit arithmetic. Save couple of bytes on x86_64. Signed-off-by: Alexey Dobriyan --- fs/proc/stat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/proc/stat.c +++ b/fs/proc/stat.c @@ -183,7 +183,7 @@ static int show_stat(struct seq_file *p, void *v) static int stat_open(struct inode *inode, struct file *file) { - size_t size = 1024 + 128 * num_online_cpus(); + unsigned int size = 1024 + 128 * num_online_cpus(); /* minimum size to display an interrupt count : 2 bytes */ size += 2 * nr_irqs;