descriptions in an attempt to promote the concept that the memory
policy is a tuple consisting of a mode and optional set of nodes.
+ added requirement to link '-lnuma' to synopsis
+ rewrite portions of description for clarification.
++ clarify interaction of policy with mmap()'d files.
++ defined how "empty set of nodes" specified and what this
means for MPOL_PREFERRED.
++ mention what happens if local/target node contains no
free memory.
++ clarify semantics of multiple nodes to BIND policy.
Note: subject to change. We'll fix the man pages when/if
this happens.
+ added all errors currently returned by sys call.
+ added mmap(2) to See Also list.