From: Christoph Lameter <[email protected]>
Date: Thu, 1 Nov 2007 18:06:17 -0700 (PDT)
> A reasonable implementation for 64 bit is likely going to depend on
> reserving some virtual memory space for the per cpu mappings so that they
> can be dynamically grown up to what the reserved virtual space allows.
>
> F.e. If we reserve 256G of virtual space and support a maximum of 16k cpus
> then there is a limit on the per cpu space available of 16MB.
Now that I understand your implementation better, yes this
sounds just fine.
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