Re: [v6 09/15] sparc64: optimized struct page zeroing

[Pasha Tatashin]

> > Add an optimized mm_zero_struct_page(), so struct page's are zeroed without
> > calling memset(). We do eight to tent regular stores based on the size of
> > struct page. Compiler optimizes out the conditions of switch() statement.
>
> Again, this doesn't explain why we need this. You have mentioned those
> reasons in some previous emails but be explicit here please.

I will add performance data to this patch as well.

Thank you,
Pasha