Re: [PATCHv6 00/22] Transparent huge page cache: phase 1, everythingbut mmap()

[Zach Brown]

> > Sigh.  A pox on whoever thought up huge pages. 
> 
> managing 1TB+ of memory in 4K chunks is just insane.
> The question of larger pages is not "if", but only "when".

And "how"!

Sprinking a bunch of magical if (thp) {} else {} throughtout the code
looks like a stunningly bad idea to me.  It'd take real work to
restructure the code such that the current paths are a degenerate case
of the larger thp page case, but that's the work that needs doing in my
estimation.

- z
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