[ammarfaizi2-block:dhowells/linux-fs/netfs-linked-list 26/61] include/linux/page-flags.h:788:20: error: passing 'const struct page *' to parameter of type 'struct page *' discards qualifiers

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/netfs-linked-list
head:   ce4670495468b797b0c5927fcb661bc0da48b9ab
commit: 1b8738547bb820a8d288d69c075558762b1e9cd6 [26/61] mm: Make some folio function arguments const
config: i386-randconfig-a015 (https://download.01.org/0day-ci/archive/20220702/202207020540.Dr0tauH4-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project a9119143a2d1f4d0d0bc1fe0d819e5351b4e0deb)
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/ammarfaizi2/linux-block/commit/1b8738547bb820a8d288d69c075558762b1e9cd6
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/netfs-linked-list
        git checkout 1b8738547bb820a8d288d69c075558762b1e9cd6
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 prepare

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from arch/x86/kernel/asm-offsets.c:9:
   In file included from include/linux/crypto.h:20:
   In file included from include/linux/slab.h:15:
   In file included from include/linux/gfp.h:6:
   In file included from include/linux/mmzone.h:22:
>> include/linux/page-flags.h:788:20: error: passing 'const struct page *' to parameter of type 'struct page *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
           PF_POISONED_CHECK(page);
                             ^~~~
   include/linux/page-flags.h:370:41: note: expanded from macro 'PF_POISONED_CHECK'
                   VM_BUG_ON_PGFLAGS(PagePoisoned(page), page);            \
                                                         ^~~~
   include/linux/mmdebug.h:94:60: note: expanded from macro 'VM_BUG_ON_PGFLAGS'
   #define VM_BUG_ON_PGFLAGS(cond, page) VM_BUG_ON_PAGE(cond, page)
                                                              ^~~~
   include/linux/mmdebug.h:21:14: note: expanded from macro 'VM_BUG_ON_PAGE'
                           dump_page(page, "VM_BUG_ON_PAGE(" __stringify(cond)")");\
                                     ^~~~
   include/linux/mmdebug.h:12:29: note: passing argument to parameter 'page' here
   void dump_page(struct page *page, const char *reason);
                               ^
   1 error generated.
   make[2]: *** [scripts/Makefile.build:117: arch/x86/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [Makefile:1200: prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:219: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.


vim +788 include/linux/page-flags.h

e7d324850bfcb3 Muchun Song   2022-03-22  785  
1b8738547bb820 David Howells 2022-06-08  786  static __always_inline int PageHead(const struct page *page)
e7d324850bfcb3 Muchun Song   2022-03-22  787  {
e7d324850bfcb3 Muchun Song   2022-03-22 @788  	PF_POISONED_CHECK(page);
e7d324850bfcb3 Muchun Song   2022-03-22  789  	return test_bit(PG_head, &page->flags) && !page_is_fake_head(page);
e7d324850bfcb3 Muchun Song   2022-03-22  790  }
e7d324850bfcb3 Muchun Song   2022-03-22  791  

:::::: The code at line 788 was first introduced by commit
:::::: e7d324850bfcb30df563d144c0363cc44595277d mm: hugetlb: free the 2nd vmemmap page associated with each HugeTLB page

:::::: TO: Muchun Song <songmuchun@bytedance.com>
:::::: CC: Linus Torvalds <torvalds@linux-foundation.org>

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