1. 9aadafc bug.h: introduce WARN_ONCE by Ramon Fried · Wed Jun 06 00:38:59 2018 +0300
  2. 958f0f0 bug.h: move runtime BUG/WARN macros into <linux/bug.h> by Masahiro Yamada · Sat Sep 16 14:10:45 2017 +0900
  3. 75035f3 bug.h: sync BUILD_BUG stuff with Linux 4.13 by Masahiro Yamada · Sat Sep 16 14:10:44 2017 +0900
  4. 78eeb91 bug.h: move BUILD_BUG_* defines to include/linux/bug.h by Masahiro Yamada · Sun Jan 24 23:27:48 2016 +0900