On 02/24/2014 09:27 AM, Dave Hansen wrote:
>
> Can you talk a little bit about what the design is here? Why does the
> kernel have to do the allocation of the virtual address space? Does it
> really need to MAP_POPULATE? bt_size looks like 4MB, and that's an
> awful lot of memory to eat up at once. Shouldn't we just let the kernel
> demand-fault this like everything else?
>
MAP_POPULATE definitely seems like the wrong thing.
-hpa
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