Re: [PATCH] zswap: Same-filled pages handling

[Andi Kleen]

> Yes.  Every 64-bit repeating pattern is also a 32-bit repeating pattern.
> Supporting a 64-bit pattern on a 32-bit kernel is painful, but it makes
> no sense to *not* support a 64-bit pattern on a 64-bit kernel.  

But a 32bit repeating pattern is not necessarily a 64bit pattern.

>This is the same approach used in zram, fwiw.

Sounds bogus.

-Andi