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Sync PMAP_PREFER(9) usage with -current implemetation.

This commit is contained in:
tsutsui 2006-09-24 01:34:19 +00:00
parent 430cb190a2
commit 6e4dd0bf16
1 changed files with 9 additions and 6 deletions
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15
share/man/man9/pmap.9
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@ -1,4 +1,4 @@
.\" $NetBSD: pmap.9,v 1.30 2005/09/09 20:33:54 wiz Exp $
.\" $NetBSD: pmap.9,v 1.31 2006/09/24 01:34:19 tsutsui Exp $
.\"
.\" Copyright (c) 2000, 2001, 2002 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -34,7 +34,7 @@
.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
.\" POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd August 11, 2005
.Dd September 24, 2006
.Dt PMAP 9
.Os
.Sh NAME
@ -114,7 +114,7 @@
.Ft paddr_t
.Fn "PMAP_UNMAP_POOLPAGE" "vaddr_t va"
.Ft void
.Fn "PMAP_PREFER" "vaddr_t hint" "vaddr_t *va"
.Fn "PMAP_PREFER" "vaddr_t hint" "vaddr_t *vap" "vsize_t sz" "int td"
.Sh DESCRIPTION
The
.Nm
@ -1053,7 +1053,7 @@ The following is an example of how to define
.Pp
This takes the KSEG0 address of a previously-mapped pool page
and returns the physical address of that page on a MIPS processor.
.It void Fn "PMAP_PREFER" "vaddr_t hint" "vaddr_t *vap"
.It void Fn "PMAP_PREFER" "vaddr_t hint" "vaddr_t *vap" "vsize_t sz" "int td"
This function is used by
.Xr uvm_map 9
to adjust a virtual address being allocated in order to avoid
@ -1062,8 +1062,11 @@ If necessary, the virtual address pointed by
.Fa vap
will be advanced.
.Fa hint
is an object offset which will be mapped into the resulting
virtual address.
is an object offset which will be mapped into the resulting virtual address, and
.Fa sz
is size of the object.
.Fa td
indicates if the machine dependent pmap uses the topdown VM.
.Pp
The use of
.Fn PMAP_PREFER