mm: mm (Shared Memory Allocation library) mm: mm: OSSP mm is a 2-layer abstraction library which simplifies the usage of mm: shared memory between forked processes. On the first layer it hides mm: all platform dependent implementation details (allocation and locking) mm: when dealing with shared memory segments and on the second layer it mm: provides a high-level malloc(3)-style API to work with data inside mm: those shared memory segments. Apache, PHP, and other projects use mm. mm: mm: The mm library was written by Ralf S. Engelschall. mm: