Re: powerpc64-linux-ld: arch/powerpc/mm/numa.o:undefined reference to `coregroup_enabled'

[Randy Dunlap]

On 11/19/20 10:26 AM, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   c2e7554e1b85935d962127efa3c2a76483b0b3b6
> commit: f9f130ff2ec93c5949576bbfb168cc9530c23649 powerpc/numa: Detect support for coregroup
> date:   9 weeks ago
> config: powerpc64-randconfig-c003-20201104 (attached as .config)
> compiler: powerpc64-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9f130ff2ec93c5949576bbfb168cc9530c23649
>          git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>          git fetch --no-tags linus master
>          git checkout f9f130ff2ec93c5949576bbfb168cc9530c23649
>          # save the attached .config to linux build tree
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc64
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
>
> All errors (new ones prefixed by >>):
>
> > > powerpc64-linux-ld: arch/powerpc/mm/numa.o:(.toc+0x0): undefined reference to `coregroup_enabled'
>     powerpc64-linux-ld: mm/page_alloc.o:(.toc+0x0): undefined reference to `node_reclaim_distance'
>     powerpc64-linux-ld: mm/khugepaged.o:(.toc+0x0): undefined reference to `node_reclaim_distance'

Hm, OK.
CONFIG_NUMA=y
# CONFIG_SMP is not set

Michael, Gautham, does anyone care about this config combination?


Thanks.