diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
index c06238e..33cd061 100644
--- a/drivers/acpi/parser/psloop.c
+++ b/drivers/acpi/parser/psloop.c
@@ -564,6 +564,8 @@ acpi_ps_get_arguments(struct acpi_walk_state *walk_state,
  *
  ******************************************************************************/
 
+#include <linux/sched.h>
+
 static acpi_status
 acpi_ps_complete_op(struct acpi_walk_state *walk_state,
 		    union acpi_parse_object **op, acpi_status status)
@@ -719,6 +721,8 @@ acpi_ps_complete_op(struct acpi_walk_state *walk_state,
 		*op = NULL;
 	}
 
+	cond_resched();
+
 	return_ACPI_STATUS(AE_OK);
 }