Re: [PATCH v9 12/12] mm: stop zeroing memory during allocation in vmemmap

[Pasha Tatashin]

On 10/03/2017 09:19 AM, Michal Hocko wrote:
> On Wed 20-09-17 16:17:14, Pavel Tatashin wrote:
> > vmemmap_alloc_block() will no longer zero the block, so zero memory
> > at its call sites for everything except struct pages.  Struct page memory
> > is zero'd by struct page initialization.
> >
> > Replace allocators in sprase-vmemmap to use the non-zeroing version. So,
> > we will get the performance improvement by zeroing the memory in parallel
> > when struct pages are zeroed.
>
> Is it possible to merge this patch with http://lkml.kernel.org/r/20170920201714.19817-7-pasha.tatashin@xxxxxxxxxx

Yes, I will do that. It would also require re-arranging
[PATCH v9 07/12] sparc64: optimized struct page zeroing
optimization to come after this patch.

Pasha