On Tue, 31 Jul 2018 15:41:28 +0200, Babis Chalios said: > I am working on the runtime system of a distributed memory programming > language. For some reason we need to create a big hole on the address space of > the application. We are trying to do so by using an mmap during the > initialization of the runtime and then the runtime handles itself those > addresses. How big a big hole, exactly? And when you say "For some reason", does that mean "For reasons I don't understand", or "For reasons I don't want to explain"? (Note that in American colloquial English, it usually means the first...) > However, we do have problems if memory overcommitment is disabled. Well, if your "big hole" plus everything already running is big enough to not fit in (RAM+SWAP), and you disable overcommit, you're going to have a bad day.... > So here goes the question: Is there any other mechanism to allow us to > do what we want to? It's unclear what you're trying to *do*. Trying to re-invent MPI? If your goal is RDMA, there's already drivers available for Infiniband and other fabrics.
Attachment:
pgpdijJddDlCJ.pgp
Description: PGP signature
_______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
