Re: [PATCH] of: reserved_mem: Allow reserved_mem framework detect "cma=" kernel param

[kernel test robot]

Hi Oreoluwa,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on v6.18]
[cannot apply to robh/for-next linus/master next-20251212]
[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/Oreoluwa-Babatunde/of-reserved_mem-Allow-reserved_mem-framework-detect-cma-kernel-param/20251210-082127
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20251210002027.1171519-1-oreoluwa.babatunde%40oss.qualcomm.com
patch subject: [PATCH] of: reserved_mem: Allow reserved_mem framework detect "cma=" kernel param
config: arc-randconfig-001-20251212 (https://download.01.org/0day-ci/archive/20251212/202512121907.gdTOodx3-lkp@xxxxxxxxx/config)
compiler: arc-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251212/202512121907.gdTOodx3-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/202512121907.gdTOodx3-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   arc-linux-ld: drivers/of/of_reserved_mem.o: in function `fdt_scan_reserved_mem_reg_nodes':
>> of_reserved_mem.c:(.init.text+0x46e): undefined reference to `cma_skip_dt_default_reserved_mem'
>> arc-linux-ld: of_reserved_mem.c:(.init.text+0x46e): undefined reference to `cma_skip_dt_default_reserved_mem'
   arc-linux-ld: drivers/of/of_reserved_mem.o: in function `fdt_scan_reserved_mem':
   of_reserved_mem.c:(.init.text+0x618): undefined reference to `cma_skip_dt_default_reserved_mem'
   arc-linux-ld: of_reserved_mem.c:(.init.text+0x618): undefined reference to `cma_skip_dt_default_reserved_mem'
   arc-linux-ld: of_reserved_mem.c:(.init.text+0x77c): undefined reference to `cma_skip_dt_default_reserved_mem'
   arc-linux-ld: drivers/of/of_reserved_mem.o:of_reserved_mem.c:(.init.text+0x77c): more undefined references to `cma_skip_dt_default_reserved_mem' follow

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