[rppt:zero-page/v0 1/1] ERROR: modpost: vmlinux: 'empty_zero_page' exported twice. Previous export was in vmlinux

[rppt:zero-page/v0 1/1] ERROR: modpost: vmlinux: 'empty_zero_page' exported twice. Previous export was in vmlinux

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git zero-page/v0
head:   53d07913878ea27d6fe4224e8581729185291278
commit: 53d07913878ea27d6fe4224e8581729185291278 [1/1] dev: arch, mm: consolidate empty_zero_page
config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20260122/202601221150.JsPp145b-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601221150.JsPp145b-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/202601221150.JsPp145b-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: vmlinux: 'empty_zero_page' exported twice. Previous export was in vmlinux

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

Re: [rppt:zero-page/v0 1/1] ERROR: modpost: vmlinux: 'empty_zero_page' exported twice. Previous export was in vmlinux

[Nathan Chancellor]

On Thu, Jan 22, 2026 at 11:14:04AM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git zero-page/v0
> head:   53d07913878ea27d6fe4224e8581729185291278
> commit: 53d07913878ea27d6fe4224e8581729185291278 [1/1] dev: arch, mm: consolidate empty_zero_page
> config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20260122/202601221150.JsPp145b-lkp@intel.com/config)
> compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601221150.JsPp145b-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/202601221150.JsPp145b-lkp@intel.com/
> 
> All errors (new ones prefixed by >>, old ones prefixed by <<):
> 
> >> ERROR: modpost: vmlinux: 'empty_zero_page' exported twice. Previous export was in vmlinux

Seems like the following should fix that?

diff --git a/arch/hexagon/kernel/hexagon_ksyms.c b/arch/hexagon/kernel/hexagon_ksyms.c
index 36a80e31d187..81bc6f81e200 100644
--- a/arch/hexagon/kernel/hexagon_ksyms.c
+++ b/arch/hexagon/kernel/hexagon_ksyms.c
@@ -17,7 +17,6 @@ EXPORT_SYMBOL(raw_copy_to_user);
 EXPORT_SYMBOL(__vmgetie);
 EXPORT_SYMBOL(__vmsetie);
 EXPORT_SYMBOL(__vmyield);
-EXPORT_SYMBOL(empty_zero_page);
 EXPORT_SYMBOL(memcpy);
 EXPORT_SYMBOL(memset);
 

Re: [rppt:zero-page/v0 1/1] ERROR: modpost: vmlinux: 'empty_zero_page' exported twice. Previous export was in vmlinux

[Mike Rapoport]

On Wed, Jan 21, 2026 at 10:17:22PM -0700, Nathan Chancellor wrote:
> On Thu, Jan 22, 2026 at 11:14:04AM +0800, kernel test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/rppt/linux.git zero-page/v0
> > head:   53d07913878ea27d6fe4224e8581729185291278
> > commit: 53d07913878ea27d6fe4224e8581729185291278 [1/1] dev: arch, mm: consolidate empty_zero_page
> > config: hexagon-allmodconfig (https://download.01.org/0day-ci/archive/20260122/202601221150.JsPp145b-lkp@intel.com/config)
> > compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260122/202601221150.JsPp145b-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/202601221150.JsPp145b-lkp@intel.com/
> > 
> > All errors (new ones prefixed by >>, old ones prefixed by <<):
> > 
> > >> ERROR: modpost: vmlinux: 'empty_zero_page' exported twice. Previous export was in vmlinux
> 
> Seems like the following should fix that?
> 
> diff --git a/arch/hexagon/kernel/hexagon_ksyms.c b/arch/hexagon/kernel/hexagon_ksyms.c
> index 36a80e31d187..81bc6f81e200 100644
> --- a/arch/hexagon/kernel/hexagon_ksyms.c
> +++ b/arch/hexagon/kernel/hexagon_ksyms.c
> @@ -17,7 +17,6 @@ EXPORT_SYMBOL(raw_copy_to_user);
>  EXPORT_SYMBOL(__vmgetie);
>  EXPORT_SYMBOL(__vmsetie);
>  EXPORT_SYMBOL(__vmyield);
> -EXPORT_SYMBOL(empty_zero_page);
>  EXPORT_SYMBOL(memcpy);
>  EXPORT_SYMBOL(memset);

Yes, it should :)  
Thanks!

-- 
Sincerely yours,
Mike.