Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934854AbZJJUzZ (ORCPT ); Sat, 10 Oct 2009 16:55:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S934818AbZJJUzZ (ORCPT ); Sat, 10 Oct 2009 16:55:25 -0400 Received: from smtprelay11.ispgateway.de ([80.67.31.34]:38300 "EHLO smtprelay11.ispgateway.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934815AbZJJUzY (ORCPT ); Sat, 10 Oct 2009 16:55:24 -0400 From: Bernhard Walle To: akpm@linuxfoundation.org Cc: linux-kernel@vger.kernel.org, Bernhard Walle Subject: [PATCH 1/5] Only define/declare kmsg_redirect when CONFIG_VT_CONSOLE is set Date: Sat, 10 Oct 2009 22:51:06 +0200 Message-Id: <1255207870-24496-2-git-send-email-bernhard@bwalle.de> X-Mailer: git-send-email 1.6.3.3 In-Reply-To: <1255207870-24496-1-git-send-email-bernhard@bwalle.de> References: <1255207870-24496-1-git-send-email-bernhard@bwalle.de> X-Df-Sender: 1227806 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1335 Lines: 46 Since the variable is only used when CONFIG_VT_CONSOLE is set, we can save some bytes of memory when CONFIG_VT_CONSOLE is not set. Signed-off-by: Bernhard Walle --- drivers/char/vt.c | 2 ++ include/linux/tty.h | 2 ++ 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 0c80c68..c3b1a86 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -187,7 +187,9 @@ static DECLARE_WORK(console_work, console_callback); int fg_console; int last_console; int want_console = -1; +#ifdef CONFIG_VT_CONSOLE int kmsg_redirect; +#endif /* * For each existing display, we have a pointer to console currently visible diff --git a/include/linux/tty.h b/include/linux/tty.h index f0f43d0..91bb1df 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -340,7 +340,9 @@ extern void tty_write_flush(struct tty_struct *); extern struct ktermios tty_std_termios; +#ifdef CONFIG_VT_CONSOLE extern int kmsg_redirect; +#endif extern void console_init(void); extern int vcs_init(void); -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/