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

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

[kernel test robot]

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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@intel.com>

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'

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

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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@intel.com>
> 
> 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.

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

[Srikar Dronamraju]

* Randy Dunlap <rdunlap@infradead.org> [2020-11-19 15:51:29]:

> 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@intel.com>
> > 
> > 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?
> 

I can add #ifdef CONFIG_SMP where coregroup_enabled is being accessed
but I do feel CONFIG_NUMA but !CONFIG_SMP may not be a valid combination.

> 
> Thanks.

-- 
Thanks and Regards
Srikar Dronamraju