svn commit: r303724 - user/alc/PQ_LAUNDRY/sys/vm
Alan Cox
alc at FreeBSD.org
Wed Aug 3 17:20:36 UTC 2016
Author: alc
Date: Wed Aug 3 17:20:35 2016
New Revision: 303724
URL: https://svnweb.freebsd.org/changeset/base/303724
Log:
Revert the previous change (r303697). Unfortunately, I'm able to provoke
cases where "target > 0" but "laundry == 0", resulting in "cycle" getting
stuck.
Modified:
user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c
Modified: user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c
==============================================================================
--- user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c Wed Aug 3 17:17:01 2016 (r303723)
+++ user/alc/PQ_LAUNDRY/sys/vm/vm_pageout.c Wed Aug 3 17:20:35 2016 (r303724)
@@ -1192,14 +1192,13 @@ vm_pageout_laundry_worker(void *arg)
launder = target / cycle;
dolaundry:
- if (launder > 0) {
+ if (launder > 0)
target -= min(vm_pageout_launder(domain, launder,
shortfall > 0), target);
- cycle--;
- }
tsleep(&vm_cnt.v_laundry_count, PVM, "laundr",
hz / VM_LAUNDER_INTERVAL);
+ cycle--;
}
}
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