Hi Michael,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.13-rc4 next-20170808]
[if your patch is applied to the wrong git tree, please drop us a note to help 
improve the system]

config: i386-tinyconfig (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from include/linux/skbuff.h:34:0,
                    from include/net/net_namespace.h:34,
                    from include/linux/inet.h:46,
                    from include/linux/sunrpc/msg_prot.h:203,
                    from include/linux/sunrpc/auth.h:15,
                    from include/linux/nfs_fs.h:29,
                    from init/do_mounts.c:32:
>> include/linux/dma-mapping.h:765:21: error: redefinition of 
>> 'dma_zalloc_coherent'
    static inline void *dma_zalloc_coherent(struct device *dev, size_t size,
   include/linux/dma-mapping.h:691:21: note: previous definition of 
'dma_zalloc_coherent' was here
    static inline void *dma_zalloc_coherent(struct device *dev, size_t size,

vim +/dma_zalloc_coherent +765 include/linux/dma-mapping.h

   754  /*
   755   * Managed DMA API
   756   */
   757  extern void *dmam_alloc_coherent(struct device *dev, size_t size,
   758                                   dma_addr_t *dma_handle, gfp_t gfp);
   759  extern void dmam_free_coherent(struct device *dev, size_t size, void 
   760                                 dma_addr_t dma_handle);
   761  extern void *dmam_alloc_attrs(struct device *dev, size_t size,
   762                                dma_addr_t *dma_handle, gfp_t gfp,
   763                                unsigned long attrs);
 > 765  static inline void *dma_zalloc_coherent(struct device *dev, size_t size,
   766                                          dma_addr_t *dma_handle, gfp_t 
   767  {
   768          void *ret = dmam_alloc_coherent(dev, size, dma_handle,
   769                                          flag | __GFP_ZERO);
   770          return ret;
   771  }

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

Attachment: .config.gz
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