On Mon, 11 Jul 2005, Dave Hansen wrote:

> Well, my point was that, if we have two, the numa_maps can be completely
> derived in userspace from the information in memory_maps plus sysfs
> alone.  So, why increase the kernel's complexity with two
> implementations that can do the exact same thing?  Yes, it might make
> the batch scheduler do one more pathname lookup, but that's not the
> kernel's problem :)
> 
> BTW, are you planning on using SPARSEMEM whenever NUMA is enabled in the
> future?  

I am not sure if we will be using SPARSEMEM or not. 

It would not be good to make the numa_maps patch depend on SPARSEMEM since
that is an optional feature right now.


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