linux-kernel - Re: ERROR: "min_low

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Date:   Mon, 31 Aug 2020 22:47:36 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     kernel test robot <lkp@...el.com>, Arnd Bergmann <arnd@...db.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux Memory Management List <linux-mm@...ck.org>
Subject: Re: ERROR: "min_low_pfn" undefined!

On 8/31/20 10:41 PM, kernel test robot wrote:
> Hi Arnd,
> 
> First bad commit (maybe != root cause):
> 
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   b51594df17d0ce80b9f9f35394a1f42d7ac94472
> commit: 710ec38b0f633ab3e2581f07a73442d809e28ab0 mm: add dummy can_do_mlock() helper
> date:   11 months ago
> config: microblaze-randconfig-r031-20200831 (attached as .config)
> compiler: microblaze-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
>         git checkout 710ec38b0f633ab3e2581f07a73442d809e28ab0
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=microblaze 
> 
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
>>> ERROR: "min_low_pfn" [drivers/rpmsg/virtio_rpmsg_bus.ko] undefined!
>    ERROR: "min_low_pfn" [drivers/block/aoe/aoe.ko] undefined!


Please test
https://lore.kernel.org/lkml/20200829000110.2408-1-rdunlap@infradead.org/


-- 
~Randy