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.
