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Date: Sat, 10 Oct 2009 22:51:06 +0200 From: Bernhard Walle <bernhard@...lle.de> To: akpm@...uxfoundation.org Cc: linux-kernel@...r.kernel.org, Bernhard Walle <bernhard@...lle.de> Subject: [PATCH 1/5] Only define/declare kmsg_redirect when CONFIG_VT_CONSOLE is set 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 <bernhard@...lle.de> --- 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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