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| author | mux <mux@FreeBSD.org> | 2003-07-27 14:05:29 +0000 |
|---|---|---|
| committer | mux <mux@FreeBSD.org> | 2003-07-27 14:05:29 +0000 |
| commit | 2efe15845c9bf5b2c2742d9d73e356bdd48e07fe (patch) | |
| tree | fee11c416a135ddef3da6af4009366b3e3d85967 /share | |
| parent | e93c7b5e5e3fcd80ca56ac00e6710e2a9c2335ec (diff) | |
| download | FreeBSD-src-2efe15845c9bf5b2c2742d9d73e356bdd48e07fe.zip FreeBSD-src-2efe15845c9bf5b2c2742d9d73e356bdd48e07fe.tar.gz | |
Document the new BUS_DMA_ZERO flag.
Diffstat (limited to 'share')
| -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. |
