1. An apparatus for processing a remote page fault included in a local node within a cluster system configuring a large integration memory (CVM) by integrating individual memories of a plurality of nodes, the apparatus comprising: a CVM fault handler; a memory including a CVM-map, a node memory information table, a virtual memory area including a start virtual address, an end virtual address, and a pointer of the CVM fault handler, and a CVM page table; and a main controller mapping the large integration memory to an address space of a process when a user process requests memory allocation, wherein when a remote page fault occurs, the CVM fault handler processes the remote page fault.