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ARCH_HAS_FOO bit that we can set on the >> x86 side that then cajoles the core mm/ code to use the fancy new >> clear_pages_resched() implementation. > > Note that we should only set this bit with either full or lazy > preemption selected. Haven't checked the patch-set to see if that > constraint is already taken care of. It is. I check for preempt_model_preemptible() and limit voluntary models to chunk sizes of 8MB. -- ankur