[linux-next:master 3575/3976] mm/memory-tiers.c:647:49: error: 'top_tier_adistance' undeclared

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   282342f2dc97ccf54254c5de51bcc1101229615f
commit: 2ec921a84615ee0665bcc369d40b92e2bed66cd5 [3575/3976] mm/demotion: expose memory tier details via sysfs
config: loongarch-randconfig-r003-20220830 (https://download.01.org/0day-ci/archive/20220830/202208302355.iv88x9c8-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 12.1.0
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
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=2ec921a84615ee0665bcc369d40b92e2bed66cd5
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 2ec921a84615ee0665bcc369d40b92e2bed66cd5
        # save the config file
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 ARCH=loongarch 

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   mm/memory-tiers.c: In function 'toptier_nodes_show':
>> mm/memory-tiers.c:647:49: error: 'top_tier_adistance' undeclared (first use in this function)
     647 |                 if (memtier->adistance_start >= top_tier_adistance)
         |                                                 ^~~~~~~~~~~~~~~~~~
   mm/memory-tiers.c:647:49: note: each undeclared identifier is reported only once for each function it appears in


vim +/top_tier_adistance +647 mm/memory-tiers.c

   637	
   638	static ssize_t toptier_nodes_show(struct device *dev,
   639					     struct device_attribute *attr, char *buf)
   640	{
   641		int ret;
   642		nodemask_t nmask, top_tier_mask = NODE_MASK_NONE;
   643		struct memory_tier *memtier = to_memory_tier(dev);
   644	
   645		mutex_lock(&memory_tier_lock);
   646		list_for_each_entry(memtier, &memory_tiers, list) {
 > 647			if (memtier->adistance_start >= top_tier_adistance)
   648				break;
   649			nmask = get_memtier_nodemask(memtier);
   650			nodes_or(top_tier_mask, top_tier_mask, nmask);
   651		}
   652	
   653		ret = sysfs_emit(buf, "%*pbl\n", nodemask_pr_args(&top_tier_mask));
   654		mutex_unlock(&memory_tier_lock);
   655		return ret;
   656	}
   657	static DEVICE_ATTR_RO(toptier_nodes);
   658	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp




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