* kernel test robot <lkp@xxxxxxxxx> [220224 03:52]: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: d4a0ae62a277377de396850ed4b709b6bd9b7326 > commit: e1345552730700c6b405d20acdfb92da77d0cdbf [6797/7915] kernel/fork: Use maple tree for dup_mmap() during forking > config: i386-randconfig-a003 (https://download.01.org/0day-ci/archive/20220224/202202241600.1WmL7XfG-lkp@xxxxxxxxx/config) > compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 > reproduce (this is a W=1 build): > # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=e1345552730700c6b405d20acdfb92da77d0cdbf > git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > git fetch --no-tags linux-next master > git checkout e1345552730700c6b405d20acdfb92da77d0cdbf > # save the config file to linux build tree > mkdir build_dir > make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash > > 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/mmap.c:754:6: warning: no previous prototype for 'vma_store' [-Wmissing-prototypes] > 754 | void vma_store(struct mm_struct *mm, struct vm_area_struct *vma) > | ^~~~~~~~~ > This was used by fork but was later dropped in the patch set. I will fix this for linux-next. > > vim +/vma_store +754 mm/mmap.c > > 37f4270132af31 Liam R. Howlett 2020-07-24 748 > 37f4270132af31 Liam R. Howlett 2020-07-24 749 /* > 37f4270132af31 Liam R. Howlett 2020-07-24 750 * vma_store() - Store a given vm_area_struct in the maple tree. > 37f4270132af31 Liam R. Howlett 2020-07-24 751 * @mm: The struct_mm > 37f4270132af31 Liam R. Howlett 2020-07-24 752 * @vma: The vm_area_struct to store in the maple tree. > 37f4270132af31 Liam R. Howlett 2020-07-24 753 */ > 37f4270132af31 Liam R. Howlett 2020-07-24 @754 void vma_store(struct mm_struct *mm, struct vm_area_struct *vma) > 37f4270132af31 Liam R. Howlett 2020-07-24 755 { > 37f4270132af31 Liam R. Howlett 2020-07-24 756 MA_STATE(mas, &mm->mm_mt, 0, 0); > 37f4270132af31 Liam R. Howlett 2020-07-24 757 > 37f4270132af31 Liam R. Howlett 2020-07-24 758 trace_vma_store(vma->vm_mm, vma); > 37f4270132af31 Liam R. Howlett 2020-07-24 759 vma_mas_store(vma, &mas); > 37f4270132af31 Liam R. Howlett 2020-07-24 760 } > 37f4270132af31 Liam R. Howlett 2020-07-24 761 > > :::::: The code at line 754 was first introduced by commit > :::::: 37f4270132af31dd08a209799d420f72bfddb49c mm: Start tracking VMAs with maple tree > > :::::: TO: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> > :::::: CC: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx> > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
