Sorry about this. Will add support for: alpha mips parisc xtensa in respective arch/$ARCH/include/uapi/asm/mman.h files On Sun, Apr 10, 2022 at 11:15 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Zach, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on hnaz-mm/master] > > url: https://github.com/intel-lab-lkp/linux/commits/Zach-O-Keefe/mm-userspace-hugepage-collapse/20220410-215722 > base: https://github.com/hnaz/linux-mm master > config: mips-randconfig-r002-20220410 (https://download.01.org/0day-ci/archive/20220411/202204110059.a0PLTrVC-lkp@xxxxxxxxx/config) > compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 256c6b0ba14e8a7ab6373b61b7193ea8c0a3651c) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install mips cross compiling tool for clang build > # apt-get install binutils-mips-linux-gnu > # https://github.com/intel-lab-lkp/linux/commit/4f4775a3e4a722525787b2c309032810356473c2 > git remote add linux-review https://github.com/intel-lab-lkp/linux > git fetch --no-tags linux-review Zach-O-Keefe/mm-userspace-hugepage-collapse/20220410-215722 > git checkout 4f4775a3e4a722525787b2c309032810356473c2 > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > >> mm/madvise.c:62:7: error: use of undeclared identifier 'MADV_COLLAPSE' > case MADV_COLLAPSE: > ^ > mm/madvise.c:1055:7: error: use of undeclared identifier 'MADV_COLLAPSE' > case MADV_COLLAPSE: > ^ > 2 errors generated. > > > vim +/MADV_COLLAPSE +62 mm/madvise.c > > 44 > 45 /* > 46 * Any behaviour which results in changes to the vma->vm_flags needs to > 47 * take mmap_lock for writing. Others, which simply traverse vmas, need > 48 * to only take it for reading. > 49 */ > 50 static int madvise_need_mmap_write(int behavior) > 51 { > 52 switch (behavior) { > 53 case MADV_REMOVE: > 54 case MADV_WILLNEED: > 55 case MADV_DONTNEED: > 56 case MADV_DONTNEED_LOCKED: > 57 case MADV_COLD: > 58 case MADV_PAGEOUT: > 59 case MADV_FREE: > 60 case MADV_POPULATE_READ: > 61 case MADV_POPULATE_WRITE: > > 62 case MADV_COLLAPSE: > 63 return 0; > 64 default: > 65 /* be safe, default to 1. list exceptions explicitly */ > 66 return 1; > 67 } > 68 } > 69 > > -- > 0-DAY CI Kernel Test Service > https://01.org/lkp >
