linux-kernel - Re: [PATCH v6 1/4] mm: hugetlb_vmemmap: introduce STRUCT_PAGE_SIZE_IS_POWER_OF

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Date:   Thu, 31 Mar 2022 23:26:35 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     kernel test robot <lkp@...el.com>
Cc:     Jonathan Corbet <corbet@....net>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Iurii Zaikin <yzaikin@...gle.com>,
        Oscar Salvador <osalvador@...e.de>,
        David Hildenbrand <david@...hat.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        kbuild-all@...ts.01.org,
        Linux Doc Mailing List <linux-doc@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        Xiongchun duan <duanxiongchun@...edance.com>,
        Muchun Song <smuchun@...il.com>
Subject: Re: [PATCH v6 1/4] mm: hugetlb_vmemmap: introduce STRUCT_PAGE_SIZE_IS_POWER_OF_2

On Thu, Mar 31, 2022 at 8:40 PM kernel test robot <lkp@...el.com> 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 mcgrof/sysctl-next linus/master next-20220331]
> [cannot apply to 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/intel-lab-lkp/linux/commits/Muchun-Song/add-hugetlb_free_vmemmap-sysctl/20220330-234018
> base:   https://github.com/hnaz/linux-mm master
> config: ia64-randconfig-s031-20220331 (https://download.01.org/0day-ci/archive/20220331/202203312010.ct30oFE6-lkp@intel.com/config)
> compiler: ia64-linux-gcc (GCC) 11.2.0
> reproduce:
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # apt-get install sparse
>         # sparse version: v0.6.4-dirty
>         # https://github.com/intel-lab-lkp/linux/commit/5164c566d4fbdb808689ee4552ed95eab421522e
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Muchun-Song/add-hugetlb_free_vmemmap-sysctl/20220330-234018
>         git checkout 5164c566d4fbdb808689ee4552ed95eab421522e
>         # save the config file to linux build tree
>         mkdir build_dir
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=ia64 prepare
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
>
> All errors (new ones prefixed by >>):
>
>    In file included from arch/ia64/include/asm/thread_info.h:10,
>                     from include/linux/thread_info.h:60,
>                     from include/asm-generic/preempt.h:5,
>                     from ./arch/ia64/include/generated/asm/preempt.h:1,
>                     from include/linux/preempt.h:78,
>                     from include/linux/spinlock.h:55,
>                     from include/linux/kref.h:16,
>                     from include/linux/mm_types.h:8,
>                     from mm/struct_page_size.c:10:
> >> arch/ia64/include/asm/asm-offsets.h:1:10: fatal error: generated/asm-offsets.h: No such file or directory
>        1 | #include <generated/asm-offsets.h>
>          |          ^~~~~~~~~~~~~~~~~~~~~~~~~
>    compilation terminated.
>    make[2]: *** [scripts/Makefile.build:127: mm/struct_page_size.s] Error 1
>    make[2]: Target '__build' not remade because of errors.
>    make[1]: *** [Makefile:1261: prepare0] Error 2
>    make[1]: Target 'prepare' not remade because of errors.
>    make: *** [Makefile:226: __sub-make] Error 2
>    make: Target 'prepare' not remade because of errors.
>

It is a circular dependency issue, I'll fix this in the next version.
Thanks for your report.