Re: [PATCH v5 1/4] mm: hugetlb_vmemmap: introduce STRUCT_PAGE_SIZE_IS_POWER_OF_2

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On Thu, Mar 24, 2022 at 5:40 PM Chen, Rong A <rong.a.chen@xxxxxxxxx> wrote:
>
>
>
> On 3/24/2022 6:13 AM, Andrew Morton wrote:
> > On Thu, 24 Mar 2022 06:06:41 +0800 kernel test robot <lkp@xxxxxxxxx> wrote:
> >
> >> Hi Muchun,
> >>
> >> Thank you for the patch! Yet something to improve:
> >>
> >> [auto build test ERROR on hnaz-mm/master]
> >> [also build test ERROR on linus/master next-20220323]
> >> [cannot apply to mcgrof/sysctl-next v5.17]
> >> [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/Muchun-Song/add-hugetlb_free_vmemmap-sysctl/20220323-205902
> >> base:   https://github.com/hnaz/linux-mm master
> >> config: arc-randconfig-r043-20220323 (https://download.01.org/0day-ci/archive/20220324/202203240546.MHJzsBaO-lkp@xxxxxxxxx/config)
> >> compiler: arc-elf-gcc (GCC) 11.2.0
> >> 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/64211be650af117819368a26d7b86c33df5deea4
> >>          git remote add linux-review https://github.com/0day-ci/linux
> >>          git fetch --no-tags linux-review Muchun-Song/add-hugetlb_free_vmemmap-sysctl/20220323-205902
> >>          git checkout 64211be650af117819368a26d7b86c33df5deea4
> >>          # save the config file to linux build tree
> >>          mkdir build_dir
> >>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc prepare
> >>
> >> If you fix the issue, kindly add following tag as appropriate
> >> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> >>
> >> All errors (new ones prefixed by >>):
> >>
> >>>> cc1: fatal error: cannot open 'kernel/bounds.s' for writing: No such file or directory
> >
> > It would take a lot of talent for Munchun to have caused this!
> >
> > Methinks you just ran out of disk space?
>
> Hi Andrew,
>
> Thanks for the reply, I tried to apply this patch to the head of
> mainline and I still can reproduce the error in my local machine:
>
> $ wget -q -O -
> https://lore.kernel.org/lkml/20220323125523.79254-2-songmuchun@xxxxxxxxxxxxx/raw
> | git apply -v
> $ mkdir build_dir && wget
> https://download.01.org/0day-ci/archive/20220324/202203240546.MHJzsBaO-lkp@xxxxxxxxx/config
> -O build_dir/.config
> $ COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross
> O=build_dir ARCH=arc olddefconfig prepare
> make --keep-going CONFIG_OF_ALL_DTBS=y CONFIG_DTC=y
> CROSS_COMPILE=/home/nfs/0day/gcc-11.2.0-nolibc/arc-elf/bin/arc-elf-
> --jobs=72 O=build_dir ARCH=arc olddefconfig prepare
> ...
> cc1: fatal error: cannot open 'kernel/bounds.s' for writing: No such
> file or directory
> compilation terminated.
> make[3]: *** [../scripts/Makefile.build:121: kernel/bounds.s] Error 1
> make[3]: Target '__build' not remade because of errors.
> make[2]: *** [../Makefile:1191: prepare0] Error 2
> make[2]: Target 'prepare' not remade because of errors.
>

Would you help me to test the following patch?  Thanks.

diff --git a/Kbuild b/Kbuild
index 21415c3b2728..a8477c011b1d 100644
--- a/Kbuild
+++ b/Kbuild
@@ -42,7 +42,7 @@ $(offsets-file): arch/$(SRCARCH)/kernel/asm-offsets.s FORCE
 struct_page_size-file := include/generated/struct_page_size.h

 always-y := $(struct_page_size-file)
-targets := mm/struct_page_size.s
+targets += mm/struct_page_size.s

 mm/struct_page_size.s: $(timeconst-file) $(bounds-file)



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