Fix min_low_pfn/max_low_pfn build errors for arch/microblaze/: (e.g.) ERROR: "min_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined! ERROR: "min_low_pfn" [drivers/hwtracing/intel_th/intel_th_msu_sink.ko] undefined! ERROR: "min_low_pfn" [drivers/hwtracing/intel_th/intel_th_msu.ko] undefined! ERROR: "min_low_pfn" [drivers/mmc/core/mmc_core.ko] undefined! ERROR: "min_low_pfn" [drivers/md/dm-crypt.ko] undefined! ERROR: "min_low_pfn" [drivers/net/wireless/ath/ath6kl/ath6kl_sdio.ko] undefined! ERROR: "min_low_pfn" [crypto/tcrypt.ko] undefined! ERROR: "min_low_pfn" [crypto/asymmetric_keys/asym_tpm.ko] undefined!
Mike had/has an alternate patch for Microblaze: https://lore.kernel.org/lkml/20200630111519.ga1951...@linux.ibm.com/ David suggested just exporting min_low_pfn & max_low_pfn in mm/memblock.c: https://lore.kernel.org/lkml/alpine.deb.2.22.394.2006291911220.1118...@chino.kir.corp.google.com/ Reported-by: kernel test robot <l...@intel.com> Signed-off-by: Randy Dunlap <rdun...@infradead.org> Cc: linux...@kvack.org Cc: Andrew Morton <a...@linux-foundation.org> Cc: David Rientjes <rient...@google.com> Cc: Mike Rapoport <r...@linux.ibm.com> Cc: Michal Simek <mon...@monstr.eu> Cc: Michal Simek <michal.si...@xilinx.com> --- arch/microblaze/mm/init.c | 3 +++ 1 file changed, 3 insertions(+) --- linux-next-20200825.orig/arch/microblaze/mm/init.c +++ linux-next-20200825/arch/microblaze/mm/init.c @@ -46,6 +46,9 @@ unsigned long memory_size; EXPORT_SYMBOL(memory_size); unsigned long lowmem_size; +EXPORT_SYMBOL(min_low_pfn); +EXPORT_SYMBOL(max_low_pfn); + #ifdef CONFIG_HIGHMEM pte_t *kmap_pte; EXPORT_SYMBOL(kmap_pte);
