[PATCH v8 2/5] drm: ttm_pool: Rework ttm_pool to use drm_page_pool

[kernel test robot]

Hi John,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.12-rc1]
[cannot apply to linux/master drm-intel/for-linux-next drm-tip/drm-tip next-20210305]
[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]

url:    https://github.com/0day-ci/linux/commits/John-Stultz/Generic-page-pool-deferred-freeing-for-system-dmabuf-heap/20210305-072137
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 3cb60ee6323968b694208c4cbd56a7176396e931
config: parisc-randconfig-r024-20210305 (attached as .config)
compiler: hppa-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/701300f424bbe73234f3dc3b62581a5e6ddef78a
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review John-Stultz/Generic-page-pool-deferred-freeing-for-system-dmabuf-heap/20210305-072137
        git checkout 701300f424bbe73234f3dc3b62581a5e6ddef78a
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   hppa-linux-ld: drivers/gpu/drm/page_pool.o: in function `drm_page_pool_shrinker_setup':
>> (.text.drm_page_pool_shrinker_setup+0x0): multiple definition of `init_module'; drivers/gpu/drm/drm_drv.o:(.init.text+0x0): first defined here
   hppa-linux-ld: drivers/gpu/drm/page_pool.o: in function `drm_page_pool_shrinker_teardown':
>> (.text.drm_page_pool_shrinker_teardown+0x0): multiple definition of `cleanup_module'; drivers/gpu/drm/drm_drv.o:(.text.drm_core_exit+0x0): first defined here

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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