Abstract: A memory management module receives a request to access a page in a memory, sends the request to a memory controller controlling the memory if the page is available in the memory, and if the page is unavailable, (i) does not send the request to the memory controller, and (ii) generates a first exception. A hypervisor intercepts the first exception and sends a second exception to an operating system. The operating system includes a handler to, in response to the second exception, selectively request the memory controller to obtain the page from a storage device into the memory, and to suspend execution of a first thread issuing the request on a processor until the page becomes available in the memory; and a kernel to schedule execution of a second thread on the processor until the page becomes available, or to idle the processor until the page becomes available.