diff options
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man9/pmap.9 | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/share/man/man9/pmap.9 b/share/man/man9/pmap.9 index 5d946ecfc05..d72b5d37800 100644 --- a/share/man/man9/pmap.9 +++ b/share/man/man9/pmap.9 @@ -1,4 +1,4 @@ -.\" $OpenBSD: pmap.9,v 1.1 2002/09/02 03:52:38 wcobb Exp $ +.\" $OpenBSD: pmap.9,v 1.2 2002/09/02 06:01:01 wcobb Exp $ .\" .\" Copyright (c) 2001, 2002 CubeSoft Communications, Inc. .\" <http://www.csoft.org> @@ -51,7 +51,6 @@ The .Nm interface is consistent across all platforms and hides the way page mappings are stored. -.Pp .Sh INITIALIZATION .nr nS 1 .Ft void @@ -121,7 +120,7 @@ in the target physical map .Fa pmap with protection specified by .Fa prot : -.Bl -tag -width "VM_PROT_EXECUTE " -indent +.Bl -tag -width "VM_PROT_EXECUTE" -indent .It VM_PROT_READ The mapping must allow reading. .It VM_PROT_WRITE @@ -135,20 +134,22 @@ The .Fa flags argument contains protection bits (the same bits used in the .Fa prot -argument) indicating the type of access that caused hte mapping to -be created. This information may be used to seed modified/referenced +argument) indicating the type of access that caused the mapping to +be created. +This information may be used to seed modified/referenced information for the page being mapped, possibly avoiding redundant faults on platforms that track modified/referenced information in software. Other information provided by .Fa flags : -.Bl -tag -width "PMAP_CANFAIL " -indent +.Bl -tag -width "PMAP_CANFAIL" -indent .It PMAP_WIRED The mapping being created is a wired mapping. .It PMAP_CANFAIL The call to .Fn pmap_enter -is allowed to fail. If this flag is not set, and the +is allowed to fail. +If this flag is not set, and the .Fn pmap_enter call is unable to create the mapping, perhaps due to insufficient resources, the @@ -397,8 +398,8 @@ is called during a operation to give the child process an initial set of low-level mappings. .Sh SEE ALSO -.Xr uvm 9 , -.Xr fork 2 +.Xr fork 2 , +.Xr uvm 9 .Sh BUGS Ifdefs must be documented. .Pp |