[leon-rdma:dma-split-wip 11/26] mm/hmm.c:642:17: error: 'struct device' has no member named 'dma_skip_sync'

[leon-rdma:dma-split-wip 11/26] mm/hmm.c:642:17: error: 'struct device' has no member named 'dma_skip_sync'

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git dma-split-wip
head:   c651d2118e26e1ac43db75c53cc4b4a51c41984b
commit: 8beafe484c79bce5de4807d390d93250449fecee [11/26] mm/hmm: generalize managing PFN and DMA lists
config: i386-randconfig-141-20241023 (https://download.01.org/0day-ci/archive/20241023/202410230904.pPSwIFSx-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241023/202410230904.pPSwIFSx-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410230904.pPSwIFSx-lkp@intel.com/

All errors (new ones prefixed by >>):

   mm/hmm.c: In function 'hmm_map_alloc':
>> mm/hmm.c:642:17: error: 'struct device' has no member named 'dma_skip_sync'
     642 |         if (!dev->dma_skip_sync || dma_addressing_limited(dev))
         |                 ^~


vim +642 mm/hmm.c

   618	
   619	/**
   620	 * hmm_map_alloc - Allocate HMM map structure
   621	 * @dev: device to allocate structure for
   622	 * @map: HMM map to allocate
   623	 * @nr_entries: number of entries in the map
   624	 * @dma_entry_size: size of the DMA entry in the map
   625	 *
   626	 * Allocate the HMM map structure and all the lists it contains.
   627	 * Return 0 on success, -ENOMEM on failure.
   628	 */
   629	int hmm_map_alloc(struct device *dev, struct hmm_map *map, size_t nr_entries,
   630			  size_t dma_entry_size)
   631	{
   632		bool use_iova;
   633	
   634		if (!(nr_entries * PAGE_SIZE / dma_entry_size))
   635			return -EINVAL;
   636	
   637		/*
   638		 * The HMM API violates our normal DMA buffer ownership rules and can't
   639		 * transfer buffer ownership.  The dma_addressing_limited() check is a
   640		 * best approximation to ensure no swiotlb buffering happens.
   641		 */
 > 642		if (!dev->dma_skip_sync || dma_addressing_limited(dev))
   643			return -EOPNOTSUPP;
   644	
   645		map->dma_entry_size = dma_entry_size;
   646		map->pfn_list =
   647			kvcalloc(nr_entries, sizeof(*map->pfn_list), GFP_KERNEL);
   648		if (!map->pfn_list)
   649			return -ENOMEM;
   650	
   651		use_iova = dma_iova_try_alloc(dev, &map->state, 0,
   652				nr_entries * PAGE_SIZE);
   653		if (!use_iova && dma_need_unmap(dev)) {
   654			map->dma_list = kvcalloc(nr_entries, sizeof(*map->dma_list),
   655						 GFP_KERNEL);
   656			if (!map->dma_list)
   657				goto err_dma;
   658		}
   659		return 0;
   660	
   661	err_dma:
   662		kfree(map->pfn_list);
   663		return -ENOMEM;
   664	}
   665	EXPORT_SYMBOL_GPL(hmm_map_alloc);
   666	

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