>> > Perhaps it would be good to un-COW pages:
>> >
>> > 1. fork process
>> > 2. if current node is not loaded, continue as usual
>> > 3. if current node is loaded:
>> > 3a. pick unloaded node
>> > 4b. don't do COW for data pages, but simply copy them to node-local memory
>> >
>> > This way, read-write sharings would be replicated for each node.
>>
>> Sharing read-write stuff is a total nightmare - you have to deal with
>> all the sync stuff, and invalidation. In real-life scenarios, I really
>> doubt the complexity is worth it - read-only is quite complex enough,
>> thanks ;-)
>
> I mean MAP_PRIVATE stuff, not MAP_SHARED.
OK, unless I misunderstand you, I think that happens naturally for that
kind of thing - when we do the COW split, we'll get a node-local page
by default (unless the local node is out of memory).
M.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Apr 15 2003 - 22:00:30 EST