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o Lock accesses to the active page queue in vm_pageout_scan() and
vm_pageout_page_stats().
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30b92dec43
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=100407
@ -961,6 +961,7 @@ vm_pageout_scan(int pass)
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cnt.v_inactive_target - cnt.v_inactive_count;
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page_shortage += addl_page_shortage;
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vm_page_lock_queues();
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/*
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* Scan the active queue for things we can deactivate. We nominally
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* track the per-page activity counter and use it to locate
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@ -1045,7 +1046,7 @@ vm_pageout_scan(int pass)
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}
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m = next;
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}
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vm_page_unlock_queues();
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s = splvm();
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/*
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@ -1216,7 +1217,7 @@ vm_pageout_page_stats()
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return;
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s0 = splvm();
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vm_page_lock_queues();
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pcount = cnt.v_active_count;
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fullintervalcount += vm_pageout_stats_interval;
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if (fullintervalcount < vm_pageout_full_stats_interval) {
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@ -1280,6 +1281,7 @@ vm_pageout_page_stats()
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m = next;
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}
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vm_page_unlock_queues();
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splx(s0);
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}
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