And yes, I would expect mmap to be used in most modern systems. OS X, for instance, just emulates sbrk with a large static buffer, and it has no actual effect on the page tables.
[0] https://books.google.com/books?id=K8vUkpOXhN4C&pg=PA950&lpg=...
And yes, I would expect mmap to be used in most modern systems. OS X, for instance, just emulates sbrk with a large static buffer, and it has no actual effect on the page tables.