[RFC][PATCH 0/3] big chunk memory allocator v2

[Andi Kleen]

> When I was posting CMA, it had been suggested to create a new migration type
> dedicated to contiguous allocations.  I think I already did that and thanks to
> this new migration type we have (i) an area of memory that only accepts movable
> and reclaimable pages and 

Aka highmem next generation :-(

> (ii) is used only if all other (non-reserved) pages have
> been allocated.

That will be near always the case after some uptime, as memory fills up
with caches. Unless you do early reclaim? 

-Andi