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

Pasha Tatashin
2017-08-11T16:06:43Z

>> 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