Re: [sj:damon/next 47/56] mm/damon/vaddr.c:307:6: error: call to undeclared function 'pmd_trans_huge'; ISO C99 and later do not support implicit function declarations

[SeongJae Park <sj@kernel.org>]

Hello,

On Sun, 21 Jul 2024 18:21:27 +0800 kernel test robot <lkp@intel.com> wrote:

> Hi SeongJae,
> 
> First bad commit (maybe != root cause):
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sj/linux.git damon/next
> head:   c3004f235d68aa890660b532b04714a40abafd78
> commit: 06463781fa1457eb6fb892eb36da7be303933de6 [47/56] mm/damon/Kconfig: select DAMON modules to test when test config is set
> config: riscv-randconfig-001-20240721 (https://download.01.org/0day-ci/archive/20240721/202407211853.4RE1o37u-lkp@intel.com/config)
> compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project ad154281230d83ee551e12d5be48bb956ef47ed3)
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240721/202407211853.4RE1o37u-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/202407211853.4RE1o37u-lkp@intel.com/
> 
> All errors (new ones prefixed by >>):
> 
[...]
> >> mm/damon/ops-common.c:42:40: error: call to undeclared function 'pte_pfn'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
>       42 |         struct folio *folio = damon_get_folio(pte_pfn(ptep_get(pte)));
>          |                                               ^
[...]

Thank you for this report!  However, I cannot reproduce this issue following
the instruction.  That said, I think this issue is same to your previous
report[1], and therefore the fix for the report should also fix this issue?
Please let me know if I'm missing something.

[1] https://lore.kernel.org/202407211851.ymsqkPO7-lkp@intel.com


Thanks,
SJ