Bryan> We're mapping some memory that the chip DMAs to into Bryan> userspace, so that user processes can spin on memory Bryan> locations without going through the kernel. The Bryan> SetPageReserved hack is an attempt to stop the VM from Bryan> reclaiming those pages from us once a user process exits.
Bryan> I realise that it's surely bogus, and I'd be thrilled to do Bryan> something correct instead. We've tried doing both Bryan> SetPageReserved and get_page, but it hasn't work out too Bryan> well so far. What's wrong with doing get_page()? Surely the VM won't take pages that you hold a reference to. - R. _______________________________________________ openib-general mailing list openib-general@openib.org http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general