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| author | Mark Johnston <markj@FreeBSD.org> | 2017-11-08 19:55:17 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2017-11-08 19:55:17 +0000 |
| commit | e0b2fc3a519f4674bcd2192dcb396490a2e4ba8e (patch) | |
| tree | def8a73ef1a275c51478b28931ee0c838a129bc7 /sys/vm/vm_pageout.c | |
| parent | 2a8176cb6119c5ce0644895359b375a255e6facf (diff) | |
| download | src-e0b2fc3a519f4674bcd2192dcb396490a2e4ba8e.tar.gz src-e0b2fc3a519f4674bcd2192dcb396490a2e4ba8e.zip | |
Allow various page daemon parameters to be set from loader.conf.
MFC after: 1 week
Notes
Notes:
svn path=/head/; revision=325561
Diffstat (limited to 'sys/vm/vm_pageout.c')
| -rw-r--r-- | sys/vm/vm_pageout.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/sys/vm/vm_pageout.c b/sys/vm/vm_pageout.c index 2872aeb49028..c61010cf81af 100644 --- a/sys/vm/vm_pageout.c +++ b/sys/vm/vm_pageout.c @@ -171,44 +171,44 @@ SYSCTL_INT(_vm, OID_AUTO, panic_on_oom, "panic on out of memory instead of killing the largest process"); SYSCTL_INT(_vm, OID_AUTO, pageout_wakeup_thresh, - CTLFLAG_RW, &vm_pageout_wakeup_thresh, 0, + CTLFLAG_RWTUN, &vm_pageout_wakeup_thresh, 0, "free page threshold for waking up the pageout daemon"); SYSCTL_INT(_vm, OID_AUTO, pageout_update_period, - CTLFLAG_RW, &vm_pageout_update_period, 0, + CTLFLAG_RWTUN, &vm_pageout_update_period, 0, "Maximum active LRU update period"); -SYSCTL_INT(_vm, OID_AUTO, lowmem_period, CTLFLAG_RW, &lowmem_period, 0, +SYSCTL_INT(_vm, OID_AUTO, lowmem_period, CTLFLAG_RWTUN, &lowmem_period, 0, "Low memory callback period"); SYSCTL_INT(_vm, OID_AUTO, disable_swapspace_pageouts, - CTLFLAG_RW, &disable_swap_pageouts, 0, "Disallow swapout of dirty pages"); + CTLFLAG_RWTUN, &disable_swap_pageouts, 0, "Disallow swapout of dirty pages"); static int pageout_lock_miss; SYSCTL_INT(_vm, OID_AUTO, pageout_lock_miss, CTLFLAG_RD, &pageout_lock_miss, 0, "vget() lock misses during pageout"); SYSCTL_INT(_vm, OID_AUTO, pageout_oom_seq, - CTLFLAG_RW, &vm_pageout_oom_seq, 0, + CTLFLAG_RWTUN, &vm_pageout_oom_seq, 0, "back-to-back calls to oom detector to start OOM"); static int act_scan_laundry_weight = 3; -SYSCTL_INT(_vm, OID_AUTO, act_scan_laundry_weight, CTLFLAG_RW, +SYSCTL_INT(_vm, OID_AUTO, act_scan_laundry_weight, CTLFLAG_RWTUN, &act_scan_laundry_weight, 0, "weight given to clean vs. dirty pages in active queue scans"); static u_int vm_background_launder_target; -SYSCTL_UINT(_vm, OID_AUTO, background_launder_target, CTLFLAG_RW, +SYSCTL_UINT(_vm, OID_AUTO, background_launder_target, CTLFLAG_RWTUN, &vm_background_launder_target, 0, "background laundering target, in pages"); static u_int vm_background_launder_rate = 4096; -SYSCTL_UINT(_vm, OID_AUTO, background_launder_rate, CTLFLAG_RW, +SYSCTL_UINT(_vm, OID_AUTO, background_launder_rate, CTLFLAG_RWTUN, &vm_background_launder_rate, 0, "background laundering rate, in kilobytes per second"); static u_int vm_background_launder_max = 20 * 1024; -SYSCTL_UINT(_vm, OID_AUTO, background_launder_max, CTLFLAG_RW, +SYSCTL_UINT(_vm, OID_AUTO, background_launder_max, CTLFLAG_RWTUN, &vm_background_launder_max, 0, "background laundering cap, in kilobytes"); int vm_pageout_page_count = 32; |