linux-kernel - [PATCH 19/19] lto: Don't inline __const

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Message-Id: <1392412903-25733-20-git-send-email-andi@firstfloor.org>
Date:	Fri, 14 Feb 2014 22:21:43 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	linux-kernel@...r.kernel.org
Cc:	x86@...nel.org, linux-kbuild@...r.kernel.org, mmarek@...e.cz,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 19/19] lto: Don't inline __const_udelay

From: Andi Kleen <ak@...ux.intel.com>

__const_udelay is marked inline, and LTO will happily inline it everywhere
Dropping the inline saves ~44k text in a non LTO build.

13999560        1740864 1499136 17239560        1070e08 vmlinux-with-udelay-inline
13954764        1736768 1499136 17190668        1064f0c vmlinux-wo-udelay-inline

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 arch/x86/lib/delay.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c
index 39d6a3d..540a320 100644
--- a/arch/x86/lib/delay.c
+++ b/arch/x86/lib/delay.c
@@ -112,7 +112,7 @@ void __delay(unsigned long loops)
 }
 EXPORT_SYMBOL(__delay);
 
-inline void __const_udelay(unsigned long xloops)
+void __const_udelay(unsigned long xloops)
 {
 	int d0;
 
-- 
1.8.5.2

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