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SubjectRe: [PATCH v2] arm64: use generic free_initrd_mem()
Hi Mike,

I love your patch! Yet something to improve:

[auto build test ERROR on arm64/for-next/core]
[cannot apply to v5.3 next-20190920]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Mike-Rapoport/arm64-use-generic-free_initrd_mem/20190924-220328
base: https://kernel.googlesource.com/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
config: powerpc-allmodconfig (attached as .config)
compiler: powerpc64-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=powerpc

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

init/initramfs.c: In function 'free_initrd_mem':
>> init/initramfs.c:536:2: error: implicit declaration of function 'memblock_free'; did you mean 'ptlock_free'? [-Werror=implicit-function-declaration]
memblock_free(__virt_to_phys(start), end - start);
^~~~~~~~~~~~~
ptlock_free
>> init/initramfs.c:536:16: error: implicit declaration of function '__virt_to_phys'; did you mean 'virt_to_phys'? [-Werror=implicit-function-declaration]
memblock_free(__virt_to_phys(start), end - start);
^~~~~~~~~~~~~~
virt_to_phys
cc1: some warnings being treated as errors

vim +536 init/initramfs.c

529
530 void __weak free_initrd_mem(unsigned long start, unsigned long end)
531 {
532 free_reserved_area((void *)start, (void *)end, POISON_FREE_INITMEM,
533 "initrd");
534
535 #ifdef CONFIG_ARCH_KEEP_MEMBLOCK
> 536 memblock_free(__virt_to_phys(start), end - start);
537 #endif
538 }
539

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[unhandled content-type:application/gzip]
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