Re: [Lse-tech] Re: [rfc][patch] Memory Binding API v0.3 2.5.41

[Martin J. Bligh]

>> Also, right now, memblks map to nodes in a straightforward manner (1-1 
>> on NUMA-Q, the only architecture that has defined them).  It will likely 
>> look the same on most architectures, too.
> 
> Just an FYI: I believe the x440 breaks this assumption. 
> 
> There are 2 chunks on the first CEC. The current discontig patch for it
> has to drop the second chunk (anything over 3.5G on the first CEC) in
> order to work w/ the existing code. However, that will probably need to
> be addressed at some point, so be aware that this might affect you as
> well. 

No, the NUMA code in the kernel doesn't support that anyway.
You have to use zholes_size, and waste some struct pages,
or config_nonlinear. Either way you get 1 memblk.

M.