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-rw-r--r--include/linux/dma-buf.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index cf77cc15f4ba..03875eaed51a 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -146,7 +146,8 @@ struct dma_buf_ops {
*
* A &sg_table scatter list of or the backing storage of the DMA buffer,
* already mapped into the device address space of the &device attached
- * with the provided &dma_buf_attachment.
+ * with the provided &dma_buf_attachment. The addresses and lengths in
+ * the scatter list are PAGE_SIZE aligned.
*
* On failure, returns a negative error value wrapped into a pointer.
* May also return -EINTR when a signal was received while being