From: Andi Kleen Date: Fri, 22 Dec 2017 00:18:16 +0000 (-0800) Subject: x86/timer: Don't inline __const_udelay X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7cf1aaa2ad3855bd5e95bef382a66fe122fc9b01;p=linux.git x86/timer: Don't inline __const_udelay __const_udelay is marked inline, and LTO will happily inline it everywhere Dropping the inline saves ~44k text in a LTO build. 13999560 1740864 1499136 17239560 1070e08 vmlinux-with-udelay-inline 13954764 1736768 1499136 17190668 1064f0c vmlinux-wo-udelay-inline Inlining it has no advantage in general, so its the right thing to do. Signed-off-by: Andi Kleen Signed-off-by: Thomas Gleixner Link: https://lkml.kernel.org/r/20171222001821.2157-2-andi@firstfloor.org --- diff --git a/arch/x86/lib/delay.c b/arch/x86/lib/delay.c index 553f8fd23cc47..09c83b2f80d24 100644 --- a/arch/x86/lib/delay.c +++ b/arch/x86/lib/delay.c @@ -162,7 +162,7 @@ void __delay(unsigned long loops) } EXPORT_SYMBOL(__delay); -inline void __const_udelay(unsigned long xloops) +void __const_udelay(unsigned long xloops) { unsigned long lpj = this_cpu_read(cpu_info.loops_per_jiffy) ? : loops_per_jiffy; int d0;