[RFC PATCH] powerpc/numa: reset node_possible_map to only node_online_map

[Tejun Heo]

On Thu, Mar 05, 2015 at 05:08:04PM -0500, Tejun Heo wrote:
> It can be argued that we should always stick to the online masks for
> allocation and iteration; however, that usually requires more
> complexity and the only cases where this mattered have been when the
> boot code got it wrong and failed to set the possible masks correctly,
> which also seems to be the case here.  I don't see any reason to
> deviate here.

Hmm... but yeah, as you wrote, keeping the allocation local could be a
reason but let's please not do this just to reduce memory consumption.
If memory locality of the field affects performance noticeably, sure.

Thanks.

-- 
tejun