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-rw-r--r--sys/vm/vm_object.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c
index 116a075..965666e 100644
--- a/sys/vm/vm_object.c
+++ b/sys/vm/vm_object.c
@@ -495,6 +495,13 @@ vm_object_deallocate(vm_object_t object)
*/
object->ref_count++;
VM_OBJECT_UNLOCK(object);
+ /*
+ * More likely than not the thread
+ * holding robject's lock has lower
+ * priority than the current thread.
+ * Let the lower priority thread run.
+ */
+ tsleep(&proc0, PVM, "vmo_de", 1);
continue;
}
if ((robject->handle == NULL) &&
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