Re: [PATCH] mm: Move mem_init_print_info() into mm_init()

From: Kefeng Wang
Date: Tue Mar 16 2021 - 22:12:27 EST


please use v2, sorry for the wrong version.

On 2021/3/17 2:01, kernel test robot wrote:
Hi Kefeng,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on tip/x86/mm]
[also build test ERROR on linus/master v5.12-rc3 next-20210316]
[cannot apply to hnaz-linux-mm/master sparc/master sparc-next/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/Kefeng-Wang/mm-Move-mem_init_print_info-into-mm_init/20210316-222501
base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git a500fc918f7b8dc3dff2e6c74f3e73e856c18248
config: riscv-randconfig-r031-20210316 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 50c7504a93fdb90c26870db8c8ea7add895c7725)
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 riscv cross compiling tool for clang build
# apt-get install binutils-riscv64-linux-gnu
# https://github.com/0day-ci/linux/commit/0b2c07917fb7f9f87f0e2ecac3a3985155778856
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Kefeng-Wang/mm-Move-mem_init_print_info-into-mm_init/20210316-222501
git checkout 0b2c07917fb7f9f87f0e2ecac3a3985155778856
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv

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/page_alloc.c:3600:15: warning: no previous prototype for function 'should_fail_alloc_page' [-Wmissing-prototypes]
noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
^
mm/page_alloc.c:3600:10: note: declare 'static' if the function is not intended to be used outside of this translation unit
noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
^
static
mm/page_alloc.c:7744:3: error: use of undeclared identifier 'str'
str ? ", " : "", str ? str : "");
^
mm/page_alloc.c:7744:20: error: use of undeclared identifier 'str'
str ? ", " : "", str ? str : "");
^
mm/page_alloc.c:7744:26: error: use of undeclared identifier 'str'
str ? ", " : "", str ? str : "");
^
1 warning and 3 errors generated.


vim +/str +7744 mm/page_alloc.c

7ee3d4e8cd5605 Jiang Liu 2013-07-03 7729
756a025f000919 Joe Perches 2016-03-17 7730 pr_info("Memory: %luK/%luK available (%luK kernel code, %luK rwdata, %luK rodata, %luK init, %luK bss, %luK reserved, %luK cma-reserved"
7ee3d4e8cd5605 Jiang Liu 2013-07-03 7731 #ifdef CONFIG_HIGHMEM
7ee3d4e8cd5605 Jiang Liu 2013-07-03 7732 ", %luK highmem"
7ee3d4e8cd5605 Jiang Liu 2013-07-03 7733 #endif
7ee3d4e8cd5605 Jiang Liu 2013-07-03 7734 "%s%s)\n",
756a025f000919 Joe Perches 2016-03-17 7735 nr_free_pages() << (PAGE_SHIFT - 10),
756a025f000919 Joe Perches 2016-03-17 7736 physpages << (PAGE_SHIFT - 10),
7ee3d4e8cd5605 Jiang Liu 2013-07-03 7737 codesize >> 10, datasize >> 10, rosize >> 10,
7ee3d4e8cd5605 Jiang Liu 2013-07-03 7738 (init_data_size + init_code_size) >> 10, bss_size >> 10,
ca79b0c211af63 Arun KS 2018-12-28 7739 (physpages - totalram_pages() - totalcma_pages) << (PAGE_SHIFT - 10),
e48322abb061d7 Pintu Kumar 2014-12-18 7740 totalcma_pages << (PAGE_SHIFT - 10),
7ee3d4e8cd5605 Jiang Liu 2013-07-03 7741 #ifdef CONFIG_HIGHMEM
ca79b0c211af63 Arun KS 2018-12-28 7742 totalhigh_pages() << (PAGE_SHIFT - 10),
7ee3d4e8cd5605 Jiang Liu 2013-07-03 7743 #endif
7ee3d4e8cd5605 Jiang Liu 2013-07-03 @7744 str ? ", " : "", str ? str : "");
7ee3d4e8cd5605 Jiang Liu 2013-07-03 7745 }
7ee3d4e8cd5605 Jiang Liu 2013-07-03 7746

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