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=-5.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 1C8F4C04EB9 for ; Mon, 3 Dec 2018 16:42:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB87020672 for ; Mon, 3 Dec 2018 16:42:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="t5l2n23g" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CB87020672 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 S1726861AbeLCQmv (ORCPT ); Mon, 3 Dec 2018 11:42:51 -0500 Received: from mail-wm1-f68.google.com ([209.85.128.68]:37826 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726637AbeLCQmv (ORCPT ); Mon, 3 Dec 2018 11:42:51 -0500 Received: by mail-wm1-f68.google.com with SMTP id g67so6381765wmd.2 for ; Mon, 03 Dec 2018 08:42:46 -0800 (PST) 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=e5uVplEPpQhyCY4yqBSU823SOsbgfQ7miWnib7wRxWQ=; b=t5l2n23gT+BlxJRvYyx5Naa6lxSPbgPCTAmLejnnwhvmtImEIuite3FAYKc/GPnKu1 /hB56Uh7eYDLJqTHaHxFzRZR9X4e/8HdzcQzgTsC2RS22VIy9L360hDKtC9L7fM0ZvY6 LMYuJHNIszYd5RrgDfseiBLX4KgyJl9UfyTx+EpIs4WY267caZw///zbIz7BrmTtQHki t7SVopram1l+5HemuDhRr8g6kjY3hT2VxiNw4lKz2ngP9vkDrKH9iQKt/8/bxnKYKGD8 /1/rua+YqJdc/cFWbuqjo60MKQeW6CxEXJ0fcHjLn1QxXNJcKStKXJ9rrwGUoYmZESWa ClNQ== 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=e5uVplEPpQhyCY4yqBSU823SOsbgfQ7miWnib7wRxWQ=; b=VLnBq9WT1DDMnimwlvkb0pmNP7gPactl20tnZ9akgtJ0Mo46H8UUrSs8bDXfE88vzv lXnVYJWtMzswFxrF0kGanCAGLQ7NrPqUKNH5hWNLqquAybqzdD78khCoGaYzf/4P97kj 0tcbAdpgin1LN1DAIvAst1S8+ftSRrvzozITWRkgo162Cwj0Ev96EHaFkEXg98KqiXpK Euco5K5BV1OS/kFbnLVRrE/VuFThUIjeYyTirVGAW3V5hAKlbolHk/trpCmmIeQ9fLVT RV1lpV9xBKFkOFk8EUicTlgMyLEPsfkX7GgsJoVMekyyR1iyJtwgJo4q47mNgRtGYjVU KPTQ== X-Gm-Message-State: AA+aEWaK3xL+6bImhnGOqusISnTe5HLv2PRBFLZEubV8rYZ5vB8ngSRh ftzrDIAnDxUyBNtldwCN3XwGOnI= X-Google-Smtp-Source: AFSGD/VeZ10zY2bDhpedELTlcf+Rhq8W8kfAqCmfEs70wMDWKCo5RcfEqz2yO67rt6z3elQ8+85CaA== X-Received: by 2002:a1c:5d4f:: with SMTP id r76-v6mr9074724wmb.25.1543855365454; Mon, 03 Dec 2018 08:42:45 -0800 (PST) Received: from avx2 (nat-minsk-pool-46-53-201-92.telecom.by. [46.53.201.92]) by smtp.gmail.com with ESMTPSA id d4sm4482214wmb.25.2018.12.03.08.42.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 03 Dec 2018 08:42:44 -0800 (PST) Date: Mon, 3 Dec 2018 19:42:42 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, nhorman@tuxdriver.com Subject: [PATCH] proc: slightly faster /proc/*/limits Message-ID: <20181203164242.GB6904@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Header of /proc/*/limits is a fixed string, so print it directly without formatting specifiers. Signed-off-by: Alexey Dobriyan --- fs/proc/base.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -581,8 +581,10 @@ static int proc_pid_limits(struct seq_file *m, struct pid_namespace *ns, /* * print the file header */ - seq_printf(m, "%-25s %-20s %-20s %-10s\n", - "Limit", "Soft Limit", "Hard Limit", "Units"); + seq_puts(m, "Limit " + "Soft Limit " + "Hard Limit " + "Units \n"); for (i = 0; i < RLIM_NLIMITS; i++) { if (rlim[i].rlim_cur == RLIM_INFINITY)