On Thu, Jan 21, 2021 at 04:17:27PM +0800, Baoquan He wrote:
> On 01/20/21 at 11:47pm, kernel test robot wrote:
> > Hi Baoquan,
> >
> > I love your patch! Perhaps something to improve:
> >
> > [auto build test WARNING on linux/master]
> > [also build test WARNING on linus/master v5.11-rc4 next-20210120]
> > [cannot apply to mmotm/master hnaz-linux-mm/master ia64/next]
> > [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/Baoquan-He/mm-clean-up-names-and-parameters-of-memmap_init_xxxx-functions/20210120-135239
> > base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> > 1e2a199f6ccdc15cf111d68d212e2fd4ce65682e
> > config: mips-randconfig-r036-20210120 (attached as .config)
> > compiler: mips-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/1bbb0b35dd2fae4a7a38098e63899677c2e53108
> > git remote add linux-review https://github.com/0day-ci/linux
> > git fetch --no-tags linux-review
> > Baoquan-He/mm-clean-up-names-and-parameters-of-memmap_init_xxxx-functions/20210120-135239
> > git checkout 1bbb0b35dd2fae4a7a38098e63899677c2e53108
> > # save the attached .config to linux build tree
> > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross
> > ARCH=mips
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <l...@intel.com>
> >
> > All warnings (new ones prefixed by >>):
> >
> > mm/page_alloc.c:3597:15: warning: no previous prototype for
> > 'should_fail_alloc_page' [-Wmissing-prototypes]
> > 3597 | noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned
> > int order)
> > | ^~~~~~~~~~~~~~~~~~~~~~
> > >> mm/page_alloc.c:6258:23: warning: no previous prototype for
> > >> 'memmap_init_zone' [-Wmissing-prototypes]
> > 6258 | void __meminit __weak memmap_init_zone(unsigned long size, int
> > nid,
>
> This is not introduced by this patch, but existing issue, should
> be not related to this patchset. I will investigate and see what we
> should do with memmap_init_zone(), adding static or adding it to header
> file, or just leave it as should_fail_alloc_page().
>
>
> By the way, I tried to reproduce on a fedora 32 system of x86 arch, but
> met below issue. could you help check what I can do to fix the error.
>
>
> [root@dell-per710-01 linux]# COMPILER_INSTALL_PATH=~/0day COMPILER=gcc-9.3.0
> ~/bin/make.cross ARCH=mips
> Compiler will be installed in /root/0day
> make W=1 CONFIG_OF_ALL_DTBS=y CONFIG_DTC=y
> CROSS_COMPILE=/root/0day/gcc-9.3.0-nolibc/mips-linux/bin/mips-linux-
> --jobs=16 ARCH=mips
> HOSTCXX scripts/gcc-plugins/latent_entropy_plugin.so
> HOSTCXX scripts/gcc-plugins/structleak_plugin.so
> HOSTCXX scripts/gcc-plugins/randomize_layout_plugin.so
> In file included from
> /root/0day/gcc-9.3.0-nolibc/mips-linux/bin/../lib/gcc/mips-linux/9.3.0/plugin/include/gcc-plugin.h:28,
> from scripts/gcc-plugins/gcc-common.h:7,
> from scripts/gcc-plugins/latent_entropy_plugin.c:78:
> /root/0day/gcc-9.3.0-nolibc/mips-linux/bin/../lib/gcc/mips-linux/9.3.0/plugin/include/system.h:687:10:
> fatal error: gmp.h: No such file or directy
> 687 | #include <gmp.h>
> | ^~~~~~~
> compilation terminated.
> make[2]: *** [scripts/gcc-plugins/Makefile:47:
> scripts/gcc-plugins/latent_entropy_plugin.so] Error 1
> make[2]: *** Waiting for unfinished jobs..
Do you have gmp-devel installed?
> Thanks
> Baoquan
>
> > | ^~~~~~~~~~~~~~~~
> >
> >
> > vim +/memmap_init_zone +6258 mm/page_alloc.c
> >
> > 6257
> > > 6258 void __meminit __weak memmap_init_zone(unsigned long size, int
> > > nid,
> > 6259 unsigned long zone,
> > 6260 unsigned long range_start_pfn)
> > 6261 {
> > 6262 unsigned long start_pfn, end_pfn;
> > 6263 unsigned long range_end_pfn = range_start_pfn + size;
> > 6264 int i;
> > 6265
> > 6266 for_each_mem_pfn_range(i, nid, &start_pfn, &end_pfn,
> > NULL) {
> > 6267 start_pfn = clamp(start_pfn, range_start_pfn,
> > range_end_pfn);
> > 6268 end_pfn = clamp(end_pfn, range_start_pfn,
> > range_end_pfn);
> > 6269
> > 6270 if (end_pfn > start_pfn) {
> > 6271 size = end_pfn - start_pfn;
> > 6272 memmap_init_range(size, nid, zone,
> > start_pfn, range_end_pfn,
> > 6273 MEMINIT_EARLY, NULL,
> > MIGRATE_MOVABLE);
> > 6274 }
> > 6275 }
> > 6276 }
> > 6277
> >
> > ---
> > 0-DAY CI Kernel Test Service, Intel Corporation
> > https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
>
>
--
Sincerely yours,
Mike.
