dma_get_merge_boundary
return !(req_phys_gap_mask(req) & dma_get_merge_boundary(dma_dev));
lim.virt_boundary_mask = dma_get_merge_boundary(mmc_dev(host));
dma_get_merge_boundary(mmc_dev(host)))
unsigned long dma_merge_boundary = dma_get_merge_boundary(dev->dev);
unsigned long dma_get_merge_boundary(struct device *dev);
EXPORT_SYMBOL_GPL(dma_get_merge_boundary);