Re: [PATCH] mm: Add RWH_RMAP_EXCLUDE flag to exclude files from rmap sharing

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

:::::: 
:::::: Manual check reason: "low confidence bisect report"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20260421020932.3212532-1-liuyibin@hygon.cn>
References: <20260421020932.3212532-1-liuyibin@hygon.cn>
TO: Yibin Liu <liuyibin@hygon.cn>
TO: linux-mm@kvack.org
CC: akpm@linux-foundation.org
CC: Liam.Howlett@oracle.com
CC: viro@zeniv.linux.org.uk
CC: brauner@kernel.org
CC: mjguzik@gmail.com
CC: wujianyong@hygon.cn
CC: huangsj@hygon.cn
CC: zhongyuan@hygon.cn

Hi Yibin,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]

url:    https://github.com/intel-lab-lkp/linux/commits/Yibin-Liu/mm-Add-RWH_RMAP_EXCLUDE-flag-to-exclude-files-from-rmap-sharing/20260423-115604
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20260421020932.3212532-1-liuyibin%40hygon.cn
patch subject: [PATCH] mm: Add RWH_RMAP_EXCLUDE flag to exclude files from rmap sharing
:::::: branch date: 8 days ago
:::::: commit date: 8 days ago
config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260501/202605010820.9zCdrX8I-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260501/202605010820.9zCdrX8I-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/r/202605010820.9zCdrX8I-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from main.c:10:
   ../../../mm/vma.c: In function '__vma_link_file':
>> ../../../mm/vma.c:237:27: error: 'struct file' has no member named 'f_mode'
     237 |         if (!(vma->vm_file->f_mode & FMODE_RMAP_EXCLUDE))
         |                           ^~
>> ../../../mm/vma.c:237:38: error: 'FMODE_RMAP_EXCLUDE' undeclared (first use in this function)
     237 |         if (!(vma->vm_file->f_mode & FMODE_RMAP_EXCLUDE))
         |                                      ^~~~~~~~~~~~~~~~~~
   ../../../mm/vma.c:237:38: note: each undeclared identifier is reported only once for each function it appears in
   ../../../mm/vma.c: In function 'vma_complete':
   ../../../mm/vma.c:343:60: error: 'struct file' has no member named 'f_mode'
     343 |                 if (vp->adj_next && !(vp->adj_next->vm_file->f_mode & FMODE_RMAP_EXCLUDE))
         |                                                            ^~
   ../../../mm/vma.c:343:71: error: 'FMODE_RMAP_EXCLUDE' undeclared (first use in this function)
     343 |                 if (vp->adj_next && !(vp->adj_next->vm_file->f_mode & FMODE_RMAP_EXCLUDE))
         |                                                                       ^~~~~~~~~~~~~~~~~~
   ../../../mm/vma.c:346:39: error: 'struct file' has no member named 'f_mode'
     346 |                 if (!(vp->vma->vm_file->f_mode & FMODE_RMAP_EXCLUDE))
         |                                       ^~

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