Re: [PATCH] dma-mapping: use exact allocation for DMA pages

[kernel test robot]

Hi Qingfang,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v7.3-rc1 next-20260901]
[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/Qingfang-Deng/dma-mapping-use-exact-allocation-for-DMA-pages/20260901-165347
base:   linus/master
patch link:    https://lore.kernel.org/r/20260901085348.53140-1-qingfang.deng%40linux.dev
patch subject: [PATCH] dma-mapping: use exact allocation for DMA pages
config: alpha-allnoconfig (https://download.01.org/0day-ci/archive/20260902/202609021750.Ifwj5NHl-lkp@xxxxxxxxx/config)
compiler: alpha-linux-gcc (GCC) 16.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260902/202609021750.Ifwj5NHl-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202609021750.Ifwj5NHl-lkp@xxxxxxxxx/

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

WARNING: modpost: vmlinux: 'saved_config' is COMMON symbol
>> WARNING: modpost: vmlinux: section mismatch in reference: __dma_direct_alloc_pages.isra.0+0xcc (section: .text) -> alloc_pages_exact_nid_noprof (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: __dma_direct_alloc_pages.isra.0+0xe0 (section: .text) -> alloc_pages_exact_nid_noprof (section: .init.text)
>> WARNING: modpost: vmlinux: section mismatch in reference: dma_common_alloc_pages+0x10 (section: .text.unlikely) -> alloc_pages_exact_nid_noprof (section: .init.text)
WARNING: modpost: vmlinux: section mismatch in reference: dma_common_alloc_pages+0x50 (section: .text.unlikely) -> alloc_pages_exact_nid_noprof (section: .init.text)

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