diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 15d17937c4315c3bded47b4265919b3294f7220d..7ce00a63f6957610f1f059edabf19d79ef0c56f6 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -200,6 +200,9 @@ static bool acpi_decode_space(struct resource *res,
 	if (addr->producer_consumer == ACPI_PRODUCER)
 		res->flags |= IORESOURCE_WINDOW;
 
+	if (addr->info.mem.caching == ACPI_PREFETCHABLE_MEMORY)
+		res->flags |= IORESOURCE_PREFETCH;
+
 	return !(res->flags & IORESOURCE_DISABLED);
 }