> Why? For one, such allocations are very rare (you only get them when > a single GC allocation requests > page of memory, like perhaps a string > literal over 4KB or similar or function call with over 1000 arguments etc.). > And if they are unlikely to be reused, not munmapping them means wasting > more virtual address space than needed.
We produce quite bit of large hashtables in GGC and those will happily be bigger than 4KB. Honza
