Re: [PATCH 2/2] mm: Remove PG_error

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

Hi Matthew,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on linux/master linus/master v6.10 next-20240724]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Matthew-Wilcox-Oracle/fs-Remove-calls-to-set-and-clear-the-folio-error-flag/20240724-111138
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20240724010550.1755992-3-willy%40infradead.org
patch subject: [PATCH 2/2] mm: Remove PG_error
config: parisc-allnoconfig (https://download.01.org/0day-ci/archive/20240725/202407250459.K6byaMoI-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240725/202407250459.K6byaMoI-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407250459.K6byaMoI-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from mm/debug.c:13:
>> include/trace/events/mmflags.h:98:44: error: 'PG_error' undeclared here (not in a function); did you mean 'ma_error'?
      98 | #define DEF_PAGEFLAG_NAME(_name) { 1UL <<  PG_##_name, __stringify(_name) }
         |                                            ^~~
   include/trace/events/mmflags.h:103:9: note: in expansion of macro 'DEF_PAGEFLAG_NAME'
     103 |         DEF_PAGEFLAG_NAME(error),                                       \
         |         ^~~~~~~~~~~~~~~~~
   mm/debug.c:35:9: note: in expansion of macro '__def_pageflag_names'
      35 |         __def_pageflag_names,
         |         ^~~~~~~~~~~~~~~~~~~~
--
   fs/proc/page.c: In function 'stable_page_flags':
>> fs/proc/page.c:185:49: error: 'PG_error' undeclared (first use in this function); did you mean 'ma_error'?
     185 |         u |= kpf_copy_bit(k, KPF_ERROR,         PG_error);
         |                                                 ^~~~~~~~
         |                                                 ma_error
   fs/proc/page.c:185:49: note: each undeclared identifier is reported only once for each function it appears in


vim +98 include/trace/events/mmflags.h

4beba9486abd2f8 Steven Price  2020-04-22  97  
e26fcc02c7f6c76 Hyeonggon Yoo 2023-01-30 @98  #define DEF_PAGEFLAG_NAME(_name) { 1UL <<  PG_##_name, __stringify(_name) }
e26fcc02c7f6c76 Hyeonggon Yoo 2023-01-30  99  

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