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Diffstat (limited to 'include/linux/dma-map-ops.h')
-rw-r--r--include/linux/dma-map-ops.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h
index 0d5b06b3a4a6..98ceba6fa848 100644
--- a/include/linux/dma-map-ops.h
+++ b/include/linux/dma-map-ops.h
@@ -69,6 +69,7 @@ struct dma_map_ops {
int (*dma_supported)(struct device *dev, u64 mask);
u64 (*get_required_mask)(struct device *dev);
size_t (*max_mapping_size)(struct device *dev);
+ size_t (*opt_mapping_size)(void);
unsigned long (*get_merge_boundary)(struct device *dev);
};