diff options
Diffstat (limited to 'share/man/man9/bus_dma.9')
| -rw-r--r-- | share/man/man9/bus_dma.9 | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/share/man/man9/bus_dma.9 b/share/man/man9/bus_dma.9 index 2221368..124e258 100644 --- a/share/man/man9/bus_dma.9 +++ b/share/man/man9/bus_dma.9 @@ -322,7 +322,8 @@ Boundary constraint, in bytes, of the target DMA memory region. The boundary indicates the set of addresses, all multiples of the boundary argument, that cannot be crossed by a single .Vt bus_dma_segment_t . -The boundary must be a power of 2. +The boundary must be a power of 2 and must be no smaller that the +maximum segment size. .Ql 0 indicates that there are no boundary restrictions. .It Fa lowaddr |
