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-rw-r--r-- | share/man/man9/bus_dma.9 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/share/man/man9/bus_dma.9 b/share/man/man9/bus_dma.9 index f97daee..340e354 100644 --- a/share/man/man9/bus_dma.9 +++ b/share/man/man9/bus_dma.9 @@ -655,6 +655,8 @@ a CPU and a DMA engine, frequently. Use of this flag does not remove the requirement of using bus_dmamap_sync, but it may reduce the cost of performing these operations. +.It Dv BUS_DMA_ZERO +Causes the allocated memory to be set to all zeros. .El .It Fa mapp Pointer to storage for the returned DMA map. |