Re: [Qemu-devel] [PATCH v11 6/6] virtio-balloon: VIRTIO_BALLOON_F_CMD_VQ

[Wei Wang]

On 06/12/2017 10:07 PM, Dave Hansen wrote:
> On 06/09/2017 03:41 AM, Wei Wang wrote:
> > +       for_each_populated_zone(zone) {
> > +               for (order = MAX_ORDER - 1; order > 0; order--) {
> > +                       for (migratetype = 0; migratetype < MIGRATE_TYPES;
> > +                            migratetype++) {
> > +                               do {
> > +                                       ret = report_unused_page_block(zone,
> > +                                               order, migratetype, &page);
> > +                                       if (!ret) {
> > +                                               pfn = (u64)page_to_pfn(page);
> > +                                               add_one_chunk(vb, vq,
> > +                                               PAGE_CHNUK_UNUSED_PAGE,
> > +                                               pfn << VIRTIO_BALLOON_PFN_SHIFT,
> > +                                               (u64)(1 << order) *
> > +                                               VIRTIO_BALLOON_PAGES_PER_PAGE);
> > +                                       }
> > +                               } while (!ret);
> > +                       }
> > +               }
> > +       }
> This is pretty unreadable.    Please add some indentation.  If you go
> over 80 cols, then you might need to break this up into a separate
> function.  But, either way, it can't be left like this.

OK, I'll re-arrange it.

Best,
Wei