From 9b84ba1cbbbb98b040014bbc56d1e7f442be16bd Mon Sep 17 00:00:00 2001 From: John Baldwin Date: Mon, 23 Mar 2009 20:18:06 +0000 Subject: [PATCH] Improve the description of a few sysctls. Submitted by: bde (partially) MFC after: 3 days --- sys/kern/subr_param.c | 21 +++++++++++---------- sys/kern/vfs_bio.c | 4 ++-- 2 files changed, 13 insertions(+), 12 deletions(-) diff --git a/sys/kern/subr_param.c b/sys/kern/subr_param.c index c56ab86325f..ed0437f89ea 100644 --- a/sys/kern/subr_param.c +++ b/sys/kern/subr_param.c @@ -100,29 +100,30 @@ u_long dflssiz; /* initial stack size limit */ 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_LONG(_kern, OID_AUTO, maxswzone, CTLFLAG_RDTUN, &maxswzone, 0, - "max swmeta KVA storage"); + "Maximum memory for swap metadata"); SYSCTL_LONG(_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"); SYSCTL_PROC(_kern, OID_AUTO, vm_guest, CTLFLAG_RD | CTLTYPE_STRING, NULL, 0, sysctl_kern_vm_guest, "A", "Virtual machine detected? (none|generic|xen)"); diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 7597a39ec5d..0715e9125d1 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -125,10 +125,10 @@ static long bufspace; #if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) SYSCTL_PROC(_vfs, OID_AUTO, bufspace, CTLTYPE_LONG|CTLFLAG_MPSAFE|CTLFLAG_RD, - &bufspace, 0, sysctl_bufspace, "L", "KVA memory used for bufs"); + &bufspace, 0, sysctl_bufspace, "L", "Virtual memory used for buffers"); #else SYSCTL_LONG(_vfs, OID_AUTO, bufspace, CTLFLAG_RD, &bufspace, 0, - "KVA memory used for bufs"); + "Virtual memory used for buffers"); #endif static long maxbufspace; SYSCTL_LONG(_vfs, OID_AUTO, maxbufspace, CTLFLAG_RD, &maxbufspace, 0,