[dm-devel] [dm:for-next 29/30] drivers//md/dm-clone-target.c:563:14: error: implicit declaration of function 'vmalloc'; did you mean 'kmalloc'?

[kbuild test robot]

tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
head:   509818079bf1fefff4ed02d6a1b994e20efc0480
commit: 1529a543debdf75fb26e7ecd732da0cc36f78a36 [29/30] dm: add clone target
config: sparc64-allmodconfig (attached as .config)
compiler: sparc64-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
        git checkout 1529a543debdf75fb26e7ecd732da0cc36f78a36
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=sparc64 

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

All error/warnings (new ones prefixed by >>):

   drivers//md/dm-clone-target.c: In function 'hash_table_init':
>> drivers//md/dm-clone-target.c:563:14: error: implicit declaration of function 'vmalloc'; did you mean 'kmalloc'? [-Werror=implicit-function-declaration]
     clone->ht = vmalloc(sz * sizeof(struct hash_table_bucket));
                 ^~~~~~~
                 kmalloc
>> drivers//md/dm-clone-target.c:563:12: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     clone->ht = vmalloc(sz * sizeof(struct hash_table_bucket));
               ^
   drivers//md/dm-clone-target.c: In function 'hash_table_exit':
>> drivers//md/dm-clone-target.c:579:2: error: implicit declaration of function 'vfree'; did you mean 'kfree'? [-Werror=implicit-function-declaration]
     vfree(clone->ht);
     ^~~~~
     kfree
   cc1: some warnings being treated as errors
--
   drivers//md/dm-clone-metadata.c: In function 'dirty_map_init':
>> drivers//md/dm-clone-metadata.c:466:28: error: implicit declaration of function 'vzalloc'; did you mean 'kvzalloc'? [-Werror=implicit-function-declaration]
     md->dmap[0].dirty_words = vzalloc(bitmap_size(md->nr_words));
                               ^~~~~~~
                               kvzalloc
>> drivers//md/dm-clone-metadata.c:466:26: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     md->dmap[0].dirty_words = vzalloc(bitmap_size(md->nr_words));
                             ^
   drivers//md/dm-clone-metadata.c:474:26: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     md->dmap[1].dirty_words = vzalloc(bitmap_size(md->nr_words));
                             ^
>> drivers//md/dm-clone-metadata.c:478:3: error: implicit declaration of function 'vfree'; did you mean 'kvfree'? [-Werror=implicit-function-declaration]
      vfree(md->dmap[0].dirty_words);
      ^~~~~
      kvfree
   drivers//md/dm-clone-metadata.c: In function 'dm_clone_metadata_open':
>> drivers//md/dm-clone-metadata.c:553:19: error: implicit declaration of function 'vmalloc'; did you mean 'kvmalloc'? [-Werror=implicit-function-declaration]
     md->region_map = vmalloc(bitmap_size(md->nr_regions));
                      ^~~~~~~
                      kvmalloc
   drivers//md/dm-clone-metadata.c:553:17: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
     md->region_map = vmalloc(bitmap_size(md->nr_regions));
                    ^
   cc1: some warnings being treated as errors

vim +563 drivers//md/dm-clone-target.c

   549	
   550	#define bucket_lock_irqsave(bucket, flags) \
   551		spin_lock_irqsave(&(bucket)->lock, flags)
   552	
   553	#define bucket_unlock_irqrestore(bucket, flags) \
   554		spin_unlock_irqrestore(&(bucket)->lock, flags)
   555	
   556	static int hash_table_init(struct clone *clone)
   557	{
   558		unsigned int i, sz;
   559		struct hash_table_bucket *bucket;
   560	
   561		sz = 1 << HASH_TABLE_BITS;
   562	
 > 563		clone->ht = vmalloc(sz * sizeof(struct hash_table_bucket));
   564		if (!clone->ht)
   565			return -ENOMEM;
   566	
   567		for (i = 0; i < sz; i++) {
   568			bucket = clone->ht + i;
   569	
   570			INIT_HLIST_HEAD(&bucket->head);
   571			spin_lock_init(&bucket->lock);
   572		}
   573	
   574		return 0;
   575	}
   576	
   577	static void hash_table_exit(struct clone *clone)
   578	{
 > 579		vfree(clone->ht);
   580	}
   581	

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