From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933081AbeCIW34 (ORCPT ); Fri, 9 Mar 2018 17:29:56 -0500 Received: from mail-wm0-f46.google.com ([74.125.82.46]:34446 "EHLO mail-wm0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932810AbeCIW3w (ORCPT ); Fri, 9 Mar 2018 17:29:52 -0500 X-Google-Smtp-Source: AG47ELv2mZ4vST4LOn9fga0lPx8tehSl2FwTCYq1GIengKko552KF5lU394mYcNesFugqmLWC2Pl5Q== Date: Sat, 10 Mar 2018 01:29:48 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH] proc: faster /proc/cmdline Message-ID: <20180309222948.GB3843@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.7.2 (2016-11-26) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use seq_puts() and skip format string processing. Signed-off-by: Alexey Dobriyan --- fs/proc/cmdline.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/fs/proc/cmdline.c +++ b/fs/proc/cmdline.c @@ -6,7 +6,8 @@ static int cmdline_proc_show(struct seq_file *m, void *v) { - seq_printf(m, "%s\n", saved_command_line); + seq_puts(m, saved_command_line); + seq_putc(m, '\n'); return 0; }