Module Name: src
Committed By: pgoyette
Date: Thu Apr 6 01:54:17 UTC 2017
Modified Files:
src/share/man/man9: Makefile ubc.9
Log Message:
Document ubc_zerorange(9). Add it (and ubc_purge(9)) to the MLINKS
To generate a diff of this commit:
cvs rdiff -u -r1.403 -r1.404 src/share/man/man9/Makefile
cvs rdiff -u -r1.9 -r1.10 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/Makefile
diff -u src/share/man/man9/Makefile:1.403 src/share/man/man9/Makefile:1.404
--- src/share/man/man9/Makefile:1.403 Fri Mar 10 09:08:47 2017
+++ src/share/man/man9/Makefile Thu Apr 6 01:54:17 2017
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.403 2017/03/10 09:08:47 martin Exp $
+# $NetBSD: Makefile,v 1.404 2017/04/06 01:54:17 pgoyette Exp $
# Makefile for section 9 (kernel function and variable) manual pages.
@@ -899,6 +899,7 @@ MLINKS+=todr.9 todr_gettime.9 todr.9 tod
todr.9 clock_ymdhms_to_secs.9 todr.9 clock_secs_to_ymdhms.9
MLINKS+=ubc.9 ubc_alloc.9 ubc.9 ubc_release.9 ubc.9 ubc_uiomove.9
+MLINKS+=ubc.9 ubc_zerorange.9 ubc.9 ubc_purge.9
MLINKS+=uvm.9 uvm_init.9 uvm.9 uvm_init_limits.9 uvm.9 uvm_setpagesize.9 \
uvm.9 uvm_swap_init.9 uvm.9 uvm_fault.9 \
uvm.9 uvm_vnp_setsize.9 \
Index: src/share/man/man9/ubc.9
diff -u src/share/man/man9/ubc.9:1.9 src/share/man/man9/ubc.9:1.10
--- src/share/man/man9/ubc.9:1.9 Wed Jun 1 08:17:12 2016
+++ src/share/man/man9/ubc.9 Thu Apr 6 01:54:17 2017
@@ -1,4 +1,4 @@
-.\" $NetBSD: ubc.9,v 1.9 2016/06/01 08:17:12 wiz Exp $
+.\" $NetBSD: ubc.9,v 1.10 2017/04/06 01:54:17 pgoyette Exp $
.\"
.\" Copyright (c) 1998 Matthew R. Green
.\" All rights reserved.
@@ -41,6 +41,9 @@
.Fn ubc_uiomove "struct uvm_object *uobj" "struct uio *uio" "vsize_t todo" \
"int advice" "int flags"
.Ft void
+.Fn ubc_zerorange "struct uvm_bject *uobj" "off_t off" "size_t len" \
+ "int flags"
+.Ft void
.Fn ubc_purge "struct uvm_object *uobj"
.Sh DESCRIPTION
.Fn ubc_alloc
@@ -117,6 +120,13 @@ Additionally, the flag
can be provided to indicate that it is acceptable to return if an error
occurs mid-transfer.
.Pp
+.Fn ubc_zerorange
+sets a range of bytes in a UVM object to zero.
+The
+.Fa flags
+parameter takes the same arguments
+.Fn ubc_release .
+.Pp
.Fn ubc_purge
disassociates all UBC structures from an empty UVM object,
specified by
