From: "Michael S. Tsirkin" <m...@redhat.com> Date: Mon, 6 Feb 2017 06:39:54 +0200
> Well the point is to avoid resets completely, at the cost of extra 256 bytes > for packets > 128 bytes on ppc (64k pages) only. > > Found a volunteer so I hope to have this idea tested on ppc Tuesday. > > And really all we need to know is confirm whether this: > -#define MERGEABLE_BUFFER_MIN_ALIGN_SHIFT ((PAGE_SHIFT + 1) / 2) > +#define MERGEABLE_BUFFER_MIN_ALIGN_SHIFT (PAGE_SHIFT / 2 + 1) > > affects performance in a measureable way. > > So I would rather wait another day. But the patches themselves > look correct, from that POV. > > Acked-by: Michael S. Tsirkin <m...@redhat.com> > > but I would prefer that you waited another day for a Tested-by from me too. Ok.
