1. A method for preserving the availability of a limited region of memory in a computer system for use by a process which requires access to memory within the limited range comprising the steps of: identifying a limited memory region for preservation, wherein the memory region is an unused part of memory; preserving at least a portion of the limited memory region by marking the portion of the limited memory region as used; detecting attempts to allocate from the limited range of memory; determining whether a sufficient amount of free memory is available within the limited range to satisfy a detected allocation attempt; and releasing, in response to a determination that a sufficient amount of free memory within the limited range of memory is not available, a sufficient amount of the preserved portion of memory to satisfy the allocation attempt.