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-rw-r--r--sys/vm/vm_page.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
index 74eb575..6e08ec1 100644
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -1211,6 +1211,7 @@ vm_page_unmanage(vm_page_t m)
int s;
s = splvm();
+ mtx_assert(&vm_page_queue_mtx, MA_OWNED);
if ((m->flags & PG_UNMANAGED) == 0) {
if (m->wire_count == 0)
vm_pageq_remove(m);
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