Module Name: src
Committed By: rmind
Date: Tue Jun 14 00:19:20 UTC 2011
Modified Files:
src/share/man/man9: ubc.9
Log Message:
Describe ubc_purge(9).
To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/share/man/man9/ubc.9
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/share/man/man9/ubc.9
diff -u src/share/man/man9/ubc.9:1.6 src/share/man/man9/ubc.9:1.7
--- src/share/man/man9/ubc.9:1.6 Thu Dec 2 12:54:13 2010
+++ src/share/man/man9/ubc.9 Tue Jun 14 00:19:20 2011
@@ -1,4 +1,4 @@
-.\" $NetBSD: ubc.9,v 1.6 2010/12/02 12:54:13 wiz Exp $
+.\" $NetBSD: ubc.9,v 1.7 2011/06/14 00:19:20 rmind Exp $
.\"
.\" Copyright (c) 1998 Matthew R. Green
.\" All rights reserved.
@@ -24,7 +24,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd April 14, 2010
+.Dd June 14, 2011
.Dt UBC 9
.Os
.Sh NAME
@@ -38,7 +38,10 @@
.Ft void
.Fn ubc_release "void *va" "int flags"
.Ft int
-.Fn ubc_uiomove "struct uvm_object *uobj" "struct uio *uio" "vsize_t todo" "int advice" "int flags"
+.Fn ubc_uiomove "struct uvm_object *uobj" "struct uio *uio" "vsize_t todo" \
+ "int advice" "int flags"
+.Ft void
+.Fn ubc_purge "struct uvm_object *uobj"
.Sh DESCRIPTION
.Fn ubc_alloc
creates a kernel mapping of
@@ -113,6 +116,11 @@
.Dv UBC_PARTIALOK
can be provided to indicate that it is acceptable to return if an error
occurs mid-transfer.
+.Pp
+.Fn ubc_purge
+disassociates all UBC structures from an empty UVM object,
+specified by
+.Fa uobj .
.Sh CODE REFERENCES
The
.Nm
