Re: [PATCH] mm/vmscan: add sysctl knobs for protecting the specified
Hi Alexey, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on linux/master] [also build test WARNING on linus/master v5.12-rc6 next-20210401] [cannot apply to hnaz-linux-mm/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Alexey-Avramov/mm-vmscan-add-sysctl-knobs-for-protecting-the-specified/20210406-061034 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5e46d1b78a03d52306f21f77a4e4a144b6d31486 config: s390-randconfig-r006-20210405 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project a46f59a747a7273cc439efaf3b4f98d8b63d2f20) 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 s390 cross compiling tool for clang build # apt-get install binutils-s390x-linux-gnu # https://github.com/0day-ci/linux/commit/a5eeb8d197a8e10c333422e9cc0f2c7d976a3426 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Alexey-Avramov/mm-vmscan-add-sysctl-knobs-for-protecting-the-specified/20210406-061034 git checkout a5eeb8d197a8e10c333422e9cc0f2c7d976a3426 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from mm/vmscan.c:20: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:22: In file included from include/linux/writeback.h:14: In file included from include/linux/blk-cgroup.h:23: In file included from include/linux/blkdev.h:26: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:80: include/asm-generic/io.h:464:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __raw_readb(PCI_IOBASE + addr); ~~ ^ include/asm-generic/io.h:477:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); ~~ ^ include/uapi/linux/byteorder/big_endian.h:36:59: note: expanded from macro '__le16_to_cpu' #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) ^ In file included from mm/vmscan.c:20: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:22: In file included from include/linux/writeback.h:14: In file included from include/linux/blk-cgroup.h:23: In file included from include/linux/blkdev.h:26: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:80: include/asm-generic/io.h:490:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); ~~ ^ include/uapi/linux/byteorder/big_endian.h:34:59: note: expanded from macro '__le32_to_cpu' #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) ^ In file included from mm/vmscan.c:20: In file included from include/linux/swap.h:9: In file included from include/linux/memcontrol.h:22: In file included from include/linux/writeback.h:14: In file included from include/linux/blk-cgroup.h:23: In file included from include/linux/blkdev.h:26: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:80: include/asm-generic/io.h:501:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] __raw_writeb(value, PCI_IOBASE + addr); ~~ ^ include/asm-generic/io.h:511:59: warning: performing pointer arithmetic on a null pointer has u
Re: [PATCH] mm/vmscan: add sysctl knobs for protecting the specified
Hi Alexey, Thank you for the patch! Yet something to improve: [auto build test ERROR on linux/master] [also build test ERROR on linus/master v5.12-rc6 next-20210401] [cannot apply to hnaz-linux-mm/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Alexey-Avramov/mm-vmscan-add-sysctl-knobs-for-protecting-the-specified/20210406-061034 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 5e46d1b78a03d52306f21f77a4e4a144b6d31486 config: parisc-randconfig-m031-20210405 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 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 # https://github.com/0day-ci/linux/commit/a5eeb8d197a8e10c333422e9cc0f2c7d976a3426 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Alexey-Avramov/mm-vmscan-add-sysctl-knobs-for-protecting-the-specified/20210406-061034 git checkout a5eeb8d197a8e10c333422e9cc0f2c7d976a3426 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All error/warnings (new ones prefixed by >>): >> mm/vmscan.c:180:5: warning: "CONFIG_CLEAN_LOW_KBYTES" is not defined, >> evaluates to 0 [-Wundef] 180 | #if CONFIG_CLEAN_LOW_KBYTES < 0 | ^~~ >> mm/vmscan.c:184:5: warning: "CONFIG_CLEAN_MIN_KBYTES" is not defined, >> evaluates to 0 [-Wundef] 184 | #if CONFIG_CLEAN_MIN_KBYTES < 0 | ^~~ >> mm/vmscan.c:188:55: error: 'CONFIG_CLEAN_LOW_KBYTES' undeclared here (not in >> a function) 188 | unsigned long sysctl_clean_low_kbytes __read_mostly = CONFIG_CLEAN_LOW_KBYTES; | ^~~ >> mm/vmscan.c:189:55: error: 'CONFIG_CLEAN_MIN_KBYTES' undeclared here (not in >> a function) 189 | unsigned long sysctl_clean_min_kbytes __read_mostly = CONFIG_CLEAN_MIN_KBYTES; | ^~~ vim +/CONFIG_CLEAN_LOW_KBYTES +188 mm/vmscan.c 179 > 180 #if CONFIG_CLEAN_LOW_KBYTES < 0 181 #error "CONFIG_CLEAN_LOW_KBYTES must be >= 0" 182 #endif 183 > 184 #if CONFIG_CLEAN_MIN_KBYTES < 0 185 #error "CONFIG_CLEAN_MIN_KBYTES must be >= 0" 186 #endif 187 > 188 unsigned long sysctl_clean_low_kbytes __read_mostly = > CONFIG_CLEAN_LOW_KBYTES; > 189 unsigned long sysctl_clean_min_kbytes __read_mostly = > CONFIG_CLEAN_MIN_KBYTES; 190 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org .config.gz Description: application/gzip