Timur Tabi wrote, >Any limit would have to be very high - definitely more than just half. What if the >application needs to pin 2GB? The customer is not going to buy 4+ GB of RAM just >because >Linux doesn't like pinning more than half. In an x86-32 system, that would required >PAE >support and slow everything down.
>Off the top of my head, I'd say Linux would need to allow all but 512MB to be pinned. >So >you have 3GB of RAM, Linux should allow you to pin 2.5GB. That is why we made it tunable, so that people could decide how to allow. There is probably a better way to do it than some hard limit, but that would take a little more understanding of the VM system than we had, and that is why some of the core kernel folks maybe able to help us come up with a better solution. woody _______________________________________________ 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
