From: Denys Vlasenko <dvlas...@redhat.com> Date: Fri, 8 Apr 2016 17:51:54 +0200
> Sometimes gcc mysteriously doesn't inline > very small functions we expect to be inlined. See > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66122 > Arguably, gcc should do better, but gcc people aren't willing > to invest time into it, asking to use __always_inline instead. > > With this .config: > http://busybox.net/~vda/kernel_config_OPTIMIZE_INLINING_and_Os, > the following functions get deinlined many times. ... > This patch fixes this via s/inline/__always_inline/. > > Code size decrease after the patch is ~2.5k: > > text data bss dec hex filename > 56719876 56364551 36196352 149280779 8e5d80b vmlinux_before > 56717440 56364551 36196352 149278343 8e5ce87 vmlinux > > Signed-off-by: Denys Vlasenko <dvlas...@redhat.com> Applied to net-next, thanks.
