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-rw-r--r--sys/vm/vm_pageout.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/vm/vm_pageout.c b/sys/vm/vm_pageout.c
index f807b77..05f1d5f 100644
--- a/sys/vm/vm_pageout.c
+++ b/sys/vm/vm_pageout.c
@@ -801,8 +801,7 @@ rescan0:
* far as the VM code knows, any partially dirty pages are
* fully dirty.
*/
- if (m->dirty == 0) {
- vm_page_test_dirty(m);
+ if (m->dirty == 0 && !pmap_is_modified(m)) {
/*
* Avoid a race condition: Unless write access is
* removed from the page, another processor could
@@ -816,7 +815,7 @@ rescan0:
* to the page, removing all access will be cheaper
* overall.
*/
- if (m->dirty == 0 && (m->flags & PG_WRITEABLE) != 0)
+ if ((m->flags & PG_WRITEABLE) != 0)
pmap_remove_all(m);
} else {
vm_page_dirty(m);
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