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Date:      Fri, 27 Mar 2009 15:45:52 +0000 (UTC)
From:      John Baldwin <jhb@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org
Subject:   svn commit: r190468 - in stable/7/sys: . contrib/pf dev/ath/ath_hal dev/cxgb kern
Message-ID:  <200903271545.n2RFjqan064928@svn.freebsd.org>

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Author: jhb
Date: Fri Mar 27 15:45:52 2009
New Revision: 190468
URL: http://svn.freebsd.org/changeset/base/190468

Log:
  MFC: Improve the description of a few sysctls.
  
  Approved by:	re (kib)

Modified:
  stable/7/sys/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)
  stable/7/sys/dev/ath/ath_hal/   (props changed)
  stable/7/sys/dev/cxgb/   (props changed)
  stable/7/sys/kern/subr_param.c
  stable/7/sys/kern/vfs_bio.c

Modified: stable/7/sys/kern/subr_param.c
==============================================================================
--- stable/7/sys/kern/subr_param.c	Fri Mar 27 15:19:51 2009	(r190467)
+++ stable/7/sys/kern/subr_param.c	Fri Mar 27 15:45:52 2009	(r190468)
@@ -86,29 +86,30 @@ u_long	dflssiz;			/* initial stack size 
 u_long	maxssiz;			/* max stack size */
 u_long	sgrowsiz;			/* amount to grow stack */
 
-SYSCTL_INT(_kern, OID_AUTO, hz, CTLFLAG_RDTUN, &hz, 0, "ticks/second");
+SYSCTL_INT(_kern, OID_AUTO, hz, CTLFLAG_RDTUN, &hz, 0,
+    "Number of clock ticks per second");
 SYSCTL_INT(_kern, OID_AUTO, ncallout, CTLFLAG_RDTUN, &ncallout, 0,
     "Number of pre-allocated timer events");
 SYSCTL_INT(_kern, OID_AUTO, nbuf, CTLFLAG_RDTUN, &nbuf, 0,
-    "Number of buffer-cache I/O buffers");
+    "Number of buffers in the buffer cache");
 SYSCTL_INT(_kern, OID_AUTO, nswbuf, CTLFLAG_RDTUN, &nswbuf, 0,
     "Number of swap buffers");
 SYSCTL_INT(_kern, OID_AUTO, maxswzone, CTLFLAG_RDTUN, &maxswzone, 0,
-    "max swmeta KVA storage");
+    "Maximum memory for swap metadata");
 SYSCTL_INT(_kern, OID_AUTO, maxbcache, CTLFLAG_RDTUN, &maxbcache, 0,
-    "max buffer cache KVA storage");
+    "Maximum value of vfs.maxbufspace");
 SYSCTL_ULONG(_kern, OID_AUTO, maxtsiz, CTLFLAG_RDTUN, &maxtsiz, 0,
-    "max text size");
+    "Maximum text size");
 SYSCTL_ULONG(_kern, OID_AUTO, dfldsiz, CTLFLAG_RDTUN, &dfldsiz, 0,
-    "initial data size limit");
+    "Initial data size limit");
 SYSCTL_ULONG(_kern, OID_AUTO, maxdsiz, CTLFLAG_RDTUN, &maxdsiz, 0,
-    "max data size");
+    "Maximum data size");
 SYSCTL_ULONG(_kern, OID_AUTO, dflssiz, CTLFLAG_RDTUN, &dflssiz, 0,
-    "initial stack size limit");
+    "Initial stack size limit");
 SYSCTL_ULONG(_kern, OID_AUTO, maxssiz, CTLFLAG_RDTUN, &maxssiz, 0,
-    "max stack size");
+    "Maximum stack size");
 SYSCTL_ULONG(_kern, OID_AUTO, sgrowsiz, CTLFLAG_RDTUN, &sgrowsiz, 0,
-    "amount to grow stack");
+    "Amount to grow stack on a stack fault");
 
 /*
  * These have to be allocated somewhere; allocating

Modified: stable/7/sys/kern/vfs_bio.c
==============================================================================
--- stable/7/sys/kern/vfs_bio.c	Fri Mar 27 15:19:51 2009	(r190467)
+++ stable/7/sys/kern/vfs_bio.c	Fri Mar 27 15:45:52 2009	(r190468)
@@ -117,7 +117,7 @@ SYSCTL_INT(_vfs, OID_AUTO, runningbufspa
     "Amount of presently outstanding async buffer io");
 static int bufspace;
 SYSCTL_INT(_vfs, OID_AUTO, bufspace, CTLFLAG_RD, &bufspace, 0,
-    "KVA memory used for bufs");
+    "Virtual memory used for buffers");
 static int maxbufspace;
 SYSCTL_INT(_vfs, OID_AUTO, maxbufspace, CTLFLAG_RD, &maxbufspace, 0,
     "Maximum allowed value of bufspace (including buf_daemon)");



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