Re: [PATCH] microblaze: fix min_low_pfn/max_low_pfn build errors

[David Rientjes]

On Fri, 28 Aug 2020, 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>

Acked-by: David Rientjes <rientjes@xxxxxxxxxx>

Thanks Randy!