Re: HUGETLB commit handling.

[Andi Kleen]

> The other problem we are wrestling with is how to do the ia386 and ia64 
> lazy allocation code without breaking the architectures that haven't yet 
> switched to lazy allocation.  There will probbaly be some
> 
> #define ARCH_USES_HUGETLB_PREFAULT
> 
> nonsense added to deal with the latter, if needed.

In my patch I just used weak functions: use a dummy weak function
in the high level code and overwrite from the architecture specific 
code as needed. This avoids all the ifdefs.

-Andi
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