[nvdimm:libnvdimm-pending 14/20] arch/x86/include/asm/numa.h:84:10: error: 'EINVAL' undeclared

[nvdimm:libnvdimm-pending 14/20] arch/x86/include/asm/numa.h:84:10: error: 'EINVAL' undeclared

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/djbw/nvdimm.git libnvdimm-pending
head:   b98658f212d47dd4c86b623275974ad4175f49ba
commit: a3638ea0ea1bcc77e098194c7fe2294934475437 [14/20] x86/numa: Cleanup configuration dependent command-line options
config: x86_64-rhel (attached as .config)
compiler: gcc-7 (Debian 7.5.0-5) 7.5.0
reproduce:
        git checkout a3638ea0ea1bcc77e098194c7fe2294934475437
        # save the attached .config to linux build tree
        make ARCH=x86_64 

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

All errors (new ones prefixed by >>):

   In file included from arch/x86/include/asm/acpi.h:11:0,
                    from arch/x86/include/asm/fixmap.h:29,
                    from arch/x86/xen/suspend_pv.c:4:
   arch/x86/include/asm/numa.h: In function 'numa_emu_cmdline':
>> arch/x86/include/asm/numa.h:84:10: error: 'EINVAL' undeclared (first use in this function)
     return -EINVAL;
             ^~~~~~
   arch/x86/include/asm/numa.h:84:10: note: each undeclared identifier is reported only once for each function it appears in

vim +/EINVAL +84 arch/x86/include/asm/numa.h

    76	
    77	#ifdef CONFIG_NUMA_EMU
    78	#define FAKE_NODE_MIN_SIZE	((u64)32 << 20)
    79	#define FAKE_NODE_MIN_HASH_MASK	(~(FAKE_NODE_MIN_SIZE - 1UL))
    80	int numa_emu_cmdline(char *str);
    81	#else /* CONFIG_NUMA_EMU */
    82	static inline int numa_emu_cmdline(char *str)
    83	{
  > 84		return -EINVAL;
    85	}
    86	#endif /* CONFIG_NUMA_EMU */
    87	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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