[PATCH 20/20] lto: Don't inline __const_udelay

From: Andi Kleen
Date: Tue Feb 18 2014 - 09:32:40 EST


From: Andi Kleen <ak@xxxxxxxxxxxxxxx>

__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@xxxxxxxxxxxxxxx>
---
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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