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0cf89dcdbc
Implement toleration of dynamic memory operations and 16 GB gigantic pages, where "toleration" means that the driver can cope with dynamic memory operations that happen before the driver is loaded. While the ehca driver is loaded, dynamic memory operations are still prohibited by returning NOTIFY_BAD from the memory notifier. On module load the driver walks through available system memory, checks for available memory ranges and then registers the kernel internal memory region accordingly. The translation of address ranges is implemented via a 3-level busmap. Signed-off-by: Hannes Hering <hering2@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com> |
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