[PATCH v7 07/11] sparc64: optimized struct page zeroing

Pasha Tatashin pasha.tatashin at oracle.com
Wed Aug 30 06:19:58 PDT 2017


Hi Dave,

Thank you for acking.

The reason I am not doing initializing stores is because they require a 
membar, even if only regular stores are following (I hoped to do a 
membar before first load). This is something I was thinking was not 
true, but after consulting with colleagues and checking processor 
manual, I verified that it is the case.

Pasha

> 
> You should probably use initializing stores when you are doing 8
> stores and we thus know the page struct is cache line aligned.
> 
> But other than that:
> 
> Acked-by: David S. Miller <davem at davemloft.net>



More information about the linux-arm-kernel mailing list