linux-kernel - [PATCH] store __setup_str

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Message-Id: <46D41006.76E4.0078.0@novell.com>
Date:	Tue, 28 Aug 2007 11:07:34 +0100
From:	"Jan Beulich" <jbeulich@...ell.com>
To:	<linux-kernel@...r.kernel.org>
Subject: [PATCH] store __setup_str_* in a more compact way

__setup_str_* are referenced only during boot, hence there's no need to
waste image space for aligning these strings (with the aim of improving
performance).

Signed-off-by: Jan Beulich <jbeulich@...ell.com>

 include/linux/init.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.23-rc4/include/linux/init.h	2007-08-28 09:42:36.000000000 +0200
+++ 2.6.23-rc4-compact-setup-str/include/linux/init.h	2007-08-20 09:28:12.000000000 +0200
@@ -158,7 +158,7 @@ struct obs_kernel_param {
  * obs_kernel_param "array" too far apart in .init.setup.
  */
 #define __setup_param(str, unique_id, fn, early)			\
-	static char __setup_str_##unique_id[] __initdata = str;	\
+	static char __setup_str_##unique_id[] __initdata __aligned(1) = str; \
 	static struct obs_kernel_param __setup_##unique_id	\
 		__attribute_used__				\
 		__attribute__((__section__(".init.setup")))	\



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