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authorArtur Grabowski <art@cvs.openbsd.org>2002-12-20 08:06:56 +0000
committerArtur Grabowski <art@cvs.openbsd.org>2002-12-20 08:06:56 +0000
commit323d8ef790564f5e2cc832496728579f0e131f19 (patch)
tree2de99f9ad92308cd01a7a33602e6a0717b63432e /share/man
parent860dac14821886a0a01ac0a6f17c151a332c2df1 (diff)
- fix one argument to pool_init.
- document PR_DEBUG.
Diffstat (limited to 'share/man')
-rw-r--r--share/man/man9/pool.926
1 files changed, 17 insertions, 9 deletions
diff --git a/share/man/man9/pool.9 b/share/man/man9/pool.9
index b2dd3c4936a..2ccb9ef854d 100644
--- a/share/man/man9/pool.9
+++ b/share/man/man9/pool.9
@@ -1,4 +1,4 @@
-.\" $OpenBSD: pool.9,v 1.20 2002/10/08 04:46:35 todd Exp $
+.\" $OpenBSD: pool.9,v 1.21 2002/12/20 08:06:55 art Exp $
.\" $NetBSD: pool.9,v 1.18 2001/06/21 11:59:01 wiz Exp $
.\"
.\" Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
@@ -55,7 +55,7 @@
.Fa "size_t size"
.Fa "u_int align"
.Fa "u_int align_offset"
-.Fa "int nitems"
+.Fa "int flags"
.Fa "char *wmesg"
.Fa "struct pool_allocator *palloc"
.Fc
@@ -125,13 +125,8 @@ the alignment defaults to an architecture-specific natural alignment.
The offset within an item to which the
.Fa align
parameter applies.
-.It Fa nitems
-Specifies the number of memory items that are allocated to
-the pool at creation time.
-This number may be zero,
-in which case
-.Fn pool_prime
-can be used at a later time to add permanent items to the pool.
+.It Fa flags
+Specifies various flags set on the pool at creation time.
.It Fa wmesg
The message passed on to
.Xr tsleep 9
@@ -341,6 +336,19 @@ code to be reentered.
.Ss DIAGNOSTICS
Pool usage logs can be enabled by defining the compile-time option
.Dv POOL_DIAGNOSTIC .
+.Ss DEBUGGING
+To debug a misbehaving pool, a kernel can be compiled with the
+.Dv MALLOC_DEBUG
+option and memory debugging on pools can be enabled with the
+.Dv PR_DEBUG
+flag passed in the
+.Fa flags
+argument in the call to
+.Fn pool_init .
+See
+.Xr malloc 9
+for more information about
+.Dv MALLOC_DEBUG .
.Sh CODE REFERENCES
The pool manager is implemented in the file
.Pa sys/kern/subr_pool.c .