[jirislaby:devel 2532/2644] lib/find_bit_benchmark.c:115:7: error: implicit declaration of function 'find_next_and_bit'; did you mean 'find_next_bit'?

[kbuild test robot <fengguang.wu@intel.com>]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jirislaby/linux.git devel
head:   36618122b80b974077fc7774f68c2b67ad7addce
commit: a1d41091a0fba72d63ec9c634473f65e9adc8cc7 [2532/2644] lib: optimize cpumask_next_and()
config: m68k-allyesconfig (attached as .config)
compiler: m68k-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout a1d41091a0fba72d63ec9c634473f65e9adc8cc7
        # save the attached .config to linux build tree
        make.cross ARCH=m68k 

All errors (new ones prefixed by >>):

   lib/find_bit_benchmark.c: In function 'test_find_next_and_bit':
>> lib/find_bit_benchmark.c:115:7: error: implicit declaration of function 'find_next_and_bit'; did you mean 'find_next_bit'? [-Werror=implicit-function-declaration]
      i = find_next_and_bit(bitmap, bitmap2, BITMAP_LEN, i+1);
          ^~~~~~~~~~~~~~~~~
          find_next_bit
   cc1: some warnings being treated as errors

vim +115 lib/find_bit_benchmark.c

   106	
   107	static int __init test_find_next_and_bit(const void *bitmap,
   108			const void *bitmap2, unsigned long len)
   109	{
   110		unsigned long i, cnt;
   111		cycles_t cycles;
   112	
   113		cycles = get_cycles();
   114		for (cnt = i = 0; i < BITMAP_LEN; cnt++)
 > 115			i = find_next_and_bit(bitmap, bitmap2, BITMAP_LEN, i+1);
   116		cycles = get_cycles() - cycles;
   117		pr_err("find_next_and_bit: %ld cycles, %ld iterations\n", (long)cycles,
   118			cnt);
   119	
   120		return 0;
   121	}
   122	

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