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| author | trhodes <trhodes@FreeBSD.org> | 2008-08-03 14:26:15 +0000 |
|---|---|---|
| committer | trhodes <trhodes@FreeBSD.org> | 2008-08-03 14:26:15 +0000 |
| commit | f37865f7f0385ef28f80ed1268dcb55cf6d674ea (patch) | |
| tree | 0cacba5e07512f4d04bec3660693cdd69579c6e1 /sys/vm | |
| parent | 8517be7c44ad04fb3c7326980c1bd8bb14917b42 (diff) | |
| download | FreeBSD-src-f37865f7f0385ef28f80ed1268dcb55cf6d674ea.zip FreeBSD-src-f37865f7f0385ef28f80ed1268dcb55cf6d674ea.tar.gz | |
Fill in a few sysctl descriptions.
Reviewed by: alc, Matt Dillon <dillon@apollo.backplane.com>
Approved by: alc
Diffstat (limited to 'sys/vm')
| -rw-r--r-- | sys/vm/vm_mmap.c | 3 | ||||
| -rw-r--r-- | sys/vm/vm_object.c | 4 | ||||
| -rw-r--r-- | sys/vm/vm_pageout.c | 4 | ||||
| -rw-r--r-- | sys/vm/vm_zeroidle.c | 4 |
4 files changed, 8 insertions, 7 deletions
diff --git a/sys/vm/vm_mmap.c b/sys/vm/vm_mmap.c index c716cad..02192b9 100644 --- a/sys/vm/vm_mmap.c +++ b/sys/vm/vm_mmap.c @@ -93,7 +93,8 @@ struct sbrk_args { #endif static int max_proc_mmap; -SYSCTL_INT(_vm, OID_AUTO, max_proc_mmap, CTLFLAG_RW, &max_proc_mmap, 0, ""); +SYSCTL_INT(_vm, OID_AUTO, max_proc_mmap, CTLFLAG_RW, &max_proc_mmap, 0, + "Maximum number of memory-mapped files per process"); /* * Set the maximum number of vm_map_entry structures per process. Roughly diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c index 6a1f24d..2d54229 100644 --- a/sys/vm/vm_object.c +++ b/sys/vm/vm_object.c @@ -104,8 +104,8 @@ __FBSDID("$FreeBSD$"); * msync / VM object flushing optimizations */ static int msync_flush_flags = MSYNC_FLUSH_HARDSEQ | MSYNC_FLUSH_SOFTSEQ; -SYSCTL_INT(_vm, OID_AUTO, msync_flush_flags, - CTLFLAG_RW, &msync_flush_flags, 0, ""); +SYSCTL_INT(_vm, OID_AUTO, msync_flush_flags, CTLFLAG_RW, &msync_flush_flags, 0, + "Enable sequential iteration optimization"); static int old_msync; SYSCTL_INT(_vm, OID_AUTO, old_msync, CTLFLAG_RW, &old_msync, 0, diff --git a/sys/vm/vm_pageout.c b/sys/vm/vm_pageout.c index fa5da26..de17632 100644 --- a/sys/vm/vm_pageout.c +++ b/sys/vm/vm_pageout.c @@ -183,9 +183,9 @@ SYSCTL_INT(_vm, OID_AUTO, pageout_stats_interval, #if defined(NO_SWAPPING) SYSCTL_INT(_vm, VM_SWAPPING_ENABLED, swap_enabled, - CTLFLAG_RD, &vm_swap_enabled, 0, ""); + CTLFLAG_RD, &vm_swap_enabled, 0, "Enable entire process swapout"); SYSCTL_INT(_vm, OID_AUTO, swap_idle_enabled, - CTLFLAG_RD, &vm_swap_idle_enabled, 0, ""); + CTLFLAG_RD, &vm_swap_idle_enabled, 0, "Allow swapout on idle criteria"); #else SYSCTL_INT(_vm, VM_SWAPPING_ENABLED, swap_enabled, CTLFLAG_RW, &vm_swap_enabled, 0, "Enable entire process swapout"); diff --git a/sys/vm/vm_zeroidle.c b/sys/vm/vm_zeroidle.c index 9e1970a..a102e89 100644 --- a/sys/vm/vm_zeroidle.c +++ b/sys/vm/vm_zeroidle.c @@ -57,8 +57,8 @@ static int idlezero_enable_default = 0; TUNABLE_INT("vm.idlezero_enable", &idlezero_enable_default); /* Defer setting the enable flag until the kthread is running. */ static int idlezero_enable = 0; -SYSCTL_INT(_vm, OID_AUTO, idlezero_enable, CTLFLAG_RW, &idlezero_enable, 0, ""); - +SYSCTL_INT(_vm, OID_AUTO, idlezero_enable, CTLFLAG_RW, &idlezero_enable, 0, + "Allow the kernel to use idle cpu cycles to zero-out pages"); /* * Implement the pre-zeroed page mechanism. */ |
