Module Name: src
Committed By: rmind
Date: Fri Apr 23 16:24:05 UTC 2010
Modified Files:
src/share/man/man9: kmem.9
Log Message:
Mention that kmem_free(9) may block, just in a case it is not clear.
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/share/man/man9/kmem.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/kmem.9
diff -u src/share/man/man9/kmem.9:1.7 src/share/man/man9/kmem.9:1.8
--- src/share/man/man9/kmem.9:1.7 Sat Feb 13 07:44:11 2010
+++ src/share/man/man9/kmem.9 Fri Apr 23 16:24:04 2010
@@ -1,4 +1,4 @@
-.\" $NetBSD: kmem.9,v 1.7 2010/02/13 07:44:11 wiz Exp $
+.\" $NetBSD: kmem.9,v 1.8 2010/04/23 16:24:04 rmind Exp $
.\"
.\" Copyright (c)2006 YAMAMOTO Takashi,
.\" All rights reserved.
@@ -25,7 +25,7 @@
.\" SUCH DAMAGE.
.\"
.\" ------------------------------------------------------------
-.Dd February 11, 2010
+.Dd April 23, 2010
.Dt KMEM 9
.Os
.\" ------------------------------------------------------------
@@ -144,6 +144,9 @@
allocation.
This can in turn block other threads that wish to acquire locks held by the
caller.
+It should be noted that
+.Fn kmem_free
+may also block.
.Pp
For some locks this is permissible or even unavoidable.
For others, particularly locks that may be taken from soft interrupt context,
@@ -263,8 +266,11 @@
.Xr pool_cache 9
.\" ------------------------------------------------------------
.Sh CAVEATS
+Neither
.Fn kmem_alloc
-cannot be used from interrupt context, from a soft interrupt, or from
+nor
+.Fn kmem_free
+can be used from interrupt context, from a soft interrupt, or from
a callout.
Use
.Xr pool_cache 9
