7e226537c7
freelist. o Split the pool of free pages queues really by domain and not rely on definition of VM_RAW_NFREELIST. o For MAXMEMDOM > 1, wrap the RR allocation logic into a specific function that is called when calculating the allocation domain. The RR counter is kept, currently, per-thread. In the future it is expected that such function evolves in a real policy decision referee, based on specific informations retrieved by per-thread and per-vm_object attributes. o Add the concept of "probed domains" under the form of vm_ndomains. It is responsibility for every architecture willing to support multiple memory domains to correctly probe vm_ndomains along with mem_affinity segments attributes. Those two values are supposed to remain always consistent. Please also note that vm_ndomains and td_dom_rr_idx are both int because segments already store domains as int. Ideally u_int would have much more sense. Probabilly this should be cleaned up in the future. o Apply RR domain selection also to vm_phys_zero_pages_idle(). Sponsored by: EMC / Isilon storage division Partly obtained from: jeff Reviewed by: alc Tested by: jeff |
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