Hi, On 29. 08. 20 2:01, Randy Dunlap wrote: > 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.GA1951986@xxxxxxxxxxxxx/ > > David suggested just exporting min_low_pfn & max_low_pfn in > mm/memblock.c: > https://lore.kernel.org/lkml/alpine.DEB.2.22.394.2006291911220.1118534@xxxxxxxxxxxxxxxxxxxxxxxxx/ > > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Cc: linux-mm@xxxxxxxxx > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: David Rientjes <rientjes@xxxxxxxxxx> > Cc: Mike Rapoport <rppt@xxxxxxxxxxxxx> > Cc: Michal Simek <monstr@xxxxxxxxx> > Cc: Michal Simek <michal.simek@xxxxxxxxxx> > --- > 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); > Acked-by: Michal Simek <monstr@xxxxxxxxx> Mike: Feel free to take it via memblock tree as you mentioned in alternate patch. Thanks, Michal -- Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91 w: www.monstr.eu p: +42-0-721842854 Maintainer of Linux kernel - Xilinx Microblaze Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs
