Author: markj
Date: Sat Jul 23 21:02:36 2016
New Revision: 303243
URL: https://svnweb.freebsd.org/changeset/base/303243
Log:
Update a comment in vm_page_advise() to match behaviour after r290529.
Reviewed by: alc
MFC after: 3 days
Modified:
head/sys/vm/vm_page.c
Modified: head/sys/vm/vm_page.c
==============================================================================
--- head/sys/vm/vm_page.c Sat Jul 23 20:50:47 2016 (r303242)
+++ head/sys/vm/vm_page.c Sat Jul 23 21:02:36 2016 (r303243)
@@ -3411,9 +3411,11 @@ vm_page_advise(vm_page_t m, int advice)
vm_page_dirty(m);
/*
- * Place clean pages at the head of the inactive queue rather than the
- * tail, thus defeating the queue's LRU operation and ensuring that the
- * page will be reused quickly.
+ * Place clean pages near the head of the inactive queue rather than
+ * the tail, thus defeating the queue's LRU operation and ensuring that
+ * the page will be reused quickly. Dirty pages are given a chance to
+ * cycle once through the inactive queue before becoming eligible for
+ * laundering.
*/
_vm_page_deactivate(m, m->dirty == 0);
}
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