[PATCH 4/6] pseries: Add support for hash table resizing

[kbuild test robot]

Hi David,

[auto build test ERROR on v4.9-rc8]
[cannot apply to powerpc/next kvm/linux-next kvm-ppc/kvm-ppc-next next-20161208]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/David-Gibson/powerpc-Hash-Page-Table-resizing-for-PAPR-guests/20161208-145142
config: powerpc-ps3_defconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc 

All errors (new ones prefixed by >>):

   arch/powerpc/mm/hash_utils_64.c: In function 'hash64_debugfs':
>> arch/powerpc/mm/hash_utils_64.c:1838:45: error: 'powerpc_debugfs_root' undeclared (first use in this function)
     if (!debugfs_create_file("pft-size", 0600, powerpc_debugfs_root,
                                                ^~~~~~~~~~~~~~~~~~~~
   arch/powerpc/mm/hash_utils_64.c:1838:45: note: each undeclared identifier is reported only once for each function it appears in

vim +/powerpc_debugfs_root +1838 arch/powerpc/mm/hash_utils_64.c

  1832	
  1833	DEFINE_SIMPLE_ATTRIBUTE(fops_ppc64_pft_size,
  1834				ppc64_pft_size_get, ppc64_pft_size_set,	"%llu\n");
  1835	
  1836	static int __init hash64_debugfs(void)
  1837	{
> 1838		if (!debugfs_create_file("pft-size", 0600, powerpc_debugfs_root,
  1839					 NULL, &fops_ppc64_pft_size)) {
  1840			pr_err("lpar: unable to create ppc64_pft_size debugsfs file\n");
  1841		}

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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