[linux-next:master 7356/8451] percpu.c:undefined reference to `vunmap_range_noflush'

[kernel test robot <lkp@xxxxxxxxx>]

Hi Nicholas,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   4143e05b7b171902f4938614c2a68821e1af46bc
commit: cde193f4250934db757c15e1b857e517cc10d8c2 [7356/8451] mm/vmalloc: remove unmap_kernel_range
config: riscv-nommu_virt_defconfig (attached as .config)
compiler: riscv64-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/next/linux-next.git/commit/?id=cde193f4250934db757c15e1b857e517cc10d8c2
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout cde193f4250934db757c15e1b857e517cc10d8c2
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=riscv 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   riscv64-linux-ld: mm/percpu.o: in function `.L259':
   percpu.c:(.text+0x9f0): undefined reference to `vmap_pages_range_noflush'
   riscv64-linux-ld: mm/percpu.o: in function `.L262':
>> percpu.c:(.text+0xa38): undefined reference to `vunmap_range_noflush'
   riscv64-linux-ld: mm/percpu.o: in function `.L350':
   percpu.c:(.text+0xcf0): undefined reference to `vunmap_range_noflush'

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

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