On Tue, Jun 15, 2021 at 11:58:36PM +0800, kernel test robot wrote: > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All warnings (new ones prefixed by >>): > > >> mm/hugetlb.c:1591:9: warning: no previous prototype for function 'hugetlb_basepage_index' [-Wmissing-prototypes] > pgoff_t hugetlb_basepage_index(struct page *page) So clang requires the prototype to still be in scope, while gcc doesn't. Does one of our clangers want to file a bug about that?
