[linux-next:master 6336/6533] fs/dcache.c:278:8: error: implicit declaration of function 'kmalloc_index'

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   c6f1a8c953479b390458e36fb838d96199a5f466
commit: 8b1747684ff8239adff317da592a2d49f17b00a3 [6336/6533] dcache: account external names as indirectly reclaimable memory
config: i386-randconfig-a0-201810 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        git checkout 8b1747684ff8239adff317da592a2d49f17b00a3
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   fs/dcache.c: In function '__d_free_external':
>> fs/dcache.c:278:8: error: implicit declaration of function 'kmalloc_index' [-Werror=implicit-function-declaration]
           -kmalloc_size(kmalloc_index(bytes)));
           ^
   cc1: some warnings being treated as errors

vim +/kmalloc_index +278 fs/dcache.c

   268	
   269	static void __d_free_external(struct rcu_head *head)
   270	{
   271		struct dentry *dentry = container_of(head, struct dentry, d_u.d_rcu);
   272		struct external_name *name = external_name(dentry);
   273		unsigned long bytes;
   274	
   275		bytes = dentry->d_name.len + offsetof(struct external_name, name[1]);
   276		mod_node_page_state(page_pgdat(virt_to_page(name)),
   277				    NR_INDIRECTLY_RECLAIMABLE_BYTES,
 > 278				    -kmalloc_size(kmalloc_index(bytes)));
   279	
   280		kfree(name);
   281		kmem_cache_free(dentry_cache, dentry);
   282	}
   283	

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

Attachment: .config.gz
Description: application/gzip


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