On Fri 18-10-19 10:13:36, David Hildenbrand wrote: [...] > However, if the compound page spans multiple pageblocks
Although hugetlb pages spanning pageblocks are possible this shouldn't matter in__test_page_isolated_in_pageblock because this function doesn't really operate on pageblocks as the name suggests. It is simply traversing all valid RAM ranges (see walk_system_ram_range). -- Michal Hocko SUSE Labs
