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. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>