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Index: head/sys/kern/kern_exec.c
===================================================================
--- head/sys/kern/kern_exec.c
+++ head/sys/kern/kern_exec.c
@@ -123,18 +123,22 @@
/* XXX This should be vm_size_t. */
SYSCTL_PROC(_kern, KERN_PS_STRINGS, ps_strings, CTLTYPE_ULONG|CTLFLAG_RD|
- CTLFLAG_CAPRD|CTLFLAG_MPSAFE, NULL, 0, sysctl_kern_ps_strings, "LU", "");
+ CTLFLAG_CAPRD|CTLFLAG_MPSAFE, NULL, 0, sysctl_kern_ps_strings, "LU",
+ "Location of process' ps_strings structure");
/* XXX This should be vm_size_t. */
SYSCTL_PROC(_kern, KERN_USRSTACK, usrstack, CTLTYPE_ULONG|CTLFLAG_RD|
- CTLFLAG_CAPRD|CTLFLAG_MPSAFE, NULL, 0, sysctl_kern_usrstack, "LU", "");
+ CTLFLAG_CAPRD|CTLFLAG_MPSAFE, NULL, 0, sysctl_kern_usrstack, "LU",
+ "Top of process stack");
SYSCTL_PROC(_kern, OID_AUTO, stackprot, CTLTYPE_INT|CTLFLAG_RD|CTLFLAG_MPSAFE,
- NULL, 0, sysctl_kern_stackprot, "I", "");
+ NULL, 0, sysctl_kern_stackprot, "I",
+ "Stack memory permissions");
u_long ps_arg_cache_limit = PAGE_SIZE / 16;
SYSCTL_ULONG(_kern, OID_AUTO, ps_arg_cache_limit, CTLFLAG_RW,
- &ps_arg_cache_limit, 0, "");
+ &ps_arg_cache_limit, 0,
+ "Process' command line characters cache limit");
static int disallow_high_osrel;
SYSCTL_INT(_kern, OID_AUTO, disallow_high_osrel, CTLFLAG_RW,
Index: head/sys/kern/kern_shutdown.c
===================================================================
--- head/sys/kern/kern_shutdown.c
+++ head/sys/kern/kern_shutdown.c
@@ -167,7 +167,8 @@
static int show_busybufs = 1;
#endif
SYSCTL_INT(_kern_shutdown, OID_AUTO, show_busybufs, CTLFLAG_RW,
- &show_busybufs, 0, "");
+ &show_busybufs, 0,
+ "Show busy buffers during shutdown");
int suspend_blocked = 0;
SYSCTL_INT(_kern, OID_AUTO, suspend_blocked, CTLFLAG_RW,
Index: head/sys/kern/kern_synch.c
===================================================================
--- head/sys/kern/kern_synch.c
+++ head/sys/kern/kern_synch.c
@@ -94,7 +94,8 @@
};
/* kernel uses `FSCALE', userland (SHOULD) use kern.fscale */
-SYSCTL_INT(_kern, OID_AUTO, fscale, CTLFLAG_RD, SYSCTL_NULL_INT_PTR, FSCALE, "");
+SYSCTL_INT(_kern, OID_AUTO, fscale, CTLFLAG_RD, SYSCTL_NULL_INT_PTR, FSCALE,
+ "Fixed-point scale factor used for calculating load average values");
static void loadav(void *arg);
Index: head/sys/kern/kern_umtx.c
===================================================================
--- head/sys/kern/kern_umtx.c
+++ head/sys/kern/kern_umtx.c
@@ -240,7 +240,7 @@
static int umtx_max_rb = 1000;
SYSCTL_INT(_kern_ipc, OID_AUTO, umtx_max_robust, CTLFLAG_RWTUN,
&umtx_max_rb, 0,
- "");
+ "Maximum number of robust mutexes allowed for each thread");
static uma_zone_t umtx_pi_zone;
static struct umtxq_chain umtxq_chains[2][UMTX_CHAINS];
Index: head/sys/kern/sched_4bsd.c
===================================================================
--- head/sys/kern/sched_4bsd.c
+++ head/sys/kern/sched_4bsd.c
@@ -437,7 +437,8 @@
/* decay 95% of `ts_pctcpu' in 60 seconds; see CCPU_SHIFT before changing */
static fixpt_t ccpu = 0.95122942450071400909 * FSCALE; /* exp(-1/20) */
-SYSCTL_UINT(_kern, OID_AUTO, ccpu, CTLFLAG_RD, &ccpu, 0, "");
+SYSCTL_UINT(_kern, OID_AUTO, ccpu, CTLFLAG_RD, &ccpu, 0,
+ "Decay factor used for updating %CPU");
/*
* If `ccpu' is not equal to `exp(-1/20)' and you still want to use the
Index: head/sys/kern/sched_ule.c
===================================================================
--- head/sys/kern/sched_ule.c
+++ head/sys/kern/sched_ule.c
@@ -3128,4 +3128,5 @@
/* ps compat. All cpu percentages from ULE are weighted. */
static int ccpu = 0;
-SYSCTL_INT(_kern, OID_AUTO, ccpu, CTLFLAG_RD, &ccpu, 0, "");
+SYSCTL_INT(_kern, OID_AUTO, ccpu, CTLFLAG_RD, &ccpu, 0,
+ "Decay factor used for updating %CPU in 4BSD scheduler");
Index: head/sys/kern/subr_kobj.c
===================================================================
--- head/sys/kern/subr_kobj.c
+++ head/sys/kern/subr_kobj.c
@@ -67,7 +67,8 @@
#define KOBJ_ASSERT(what) mtx_assert(&kobj_mtx, what);
SYSCTL_INT(_kern, OID_AUTO, kobj_methodcount, CTLFLAG_RD,
- &kobj_next_id, 0, "");
+ &kobj_next_id, 0,
+ "Number of kernel object methods registered");
static void
kobj_init_mutex(void *arg)

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