But there is a general problem of larger pages in systems that
don't support them natively (in hardware) depending in how it's
implemented the memory manager in the kernel:
"Doubling the soft page size implies
halfing the TLB soft-entries in the old hardware".
"x4 soft page size=> 1/4 TLB soft-entries, ... and so on."
Assuming one soft double-sized page represents 2 real-sized pages,
one replacing of one soft double-sized page implies replacing
2 TLB's entries containing the 2 real-sized pages.
The TLB is very small, its entries are around 24 entries aprox. in
some processors!.