linux-kernel - [ammarfaizi2-block:dhowells/linux-fs/netfs-linked-list 29/57] include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers)

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Message-ID: <202206111452.dJUSUYyl-lkp@intel.com>
Date:   Sat, 11 Jun 2022 14:44:12 +0800
From:   kernel test robot <lkp@...el.com>
To:     David Howells <dhowells@...hat.com>
Cc:     kbuild-all@...ts.01.org,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org
Subject: [ammarfaizi2-block:dhowells/linux-fs/netfs-linked-list 29/57]
 include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument
 1 (different modifiers)

tree:   https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/netfs-linked-list
head:   c19d336b7f0c53bd31e73f6d7d6c1524f0df55b8
commit: f951c9604853872cf088bb3dbf7d49e3f96b090d [29/57] mm: Make some folio function arguments const
config: x86_64-randconfig-s022 (https://download.01.org/0day-ci/archive/20220611/202206111452.dJUSUYyl-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-30-g92122700-dirty
        # https://github.com/ammarfaizi2/linux-block/commit/f951c9604853872cf088bb3dbf7d49e3f96b090d
        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 f951c9604853872cf088bb3dbf7d49e3f96b090d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash fs/netfs/

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


sparse warnings: (new ones prefixed by >>)
   fs/netfs/direct_read.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...):
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
--
   fs/netfs/misc.c: note: in included file (through include/linux/mmzone.h, include/linux/swap.h):
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
--
   fs/netfs/buffered_read.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/xarray.h, ...):
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
--
   fs/netfs/io.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/umh.h, include/linux/kmod.h, ...):
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page
>> include/linux/page-flags.h:788:9: sparse: sparse: incorrect type in argument 1 (different modifiers) @@     expected struct page *page @@     got struct page const *page @@
   include/linux/page-flags.h:788:9: sparse:     expected struct page *page
   include/linux/page-flags.h:788:9: sparse:     got struct page const *page

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

e7d324850bfcb3 Muchun Song   2022-03-22  785  
f951c960485387 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@...edance.com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

-- 
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