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document size argument; prodded by jmc

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deraadt 2011-04-12 20:24:56 +00:00
parent 4faaefd7e9
commit dad257f25c
1 changed files with 10 additions and 2 deletions
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12
share/man/man9/dma_alloc.9
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@ -1,4 +1,4 @@
.\" $OpenBSD: dma_alloc.9,v 1.4 2011/04/07 22:25:07 jmc Exp $
.\" $OpenBSD: dma_alloc.9,v 1.5 2011/04/12 20:24:56 deraadt Exp $
.\" $NetBSD: pool.9,v 1.18 2001/06/21 11:59:01 wiz Exp $
.\"
.\" Copyright (c) 2011 Theo de Raadt
@ -16,7 +16,7 @@
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: April 7 2011 $
.Dd $Mdocdate: April 12 2011 $
.Dt DMA_ALLOC 9
.Os
.Sh NAME
@ -55,6 +55,14 @@ The
argument is a selection of
.Xr pool_get 9
flag arguments.
.Pp
The same
.Va size
argument must be passed to both
.Fn dma_alloc
and the subsequent
.Fn dma_free .
Allocations over 65536 will fail.
.Sh SEE ALSO
.Xr bus_dma 9 ,
.Xr mbuf 9 ,