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SubjectRe: memory offline infinite loop after soft offline
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On 18.10.19 10:24, Michal Hocko wrote:
> 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).

As long as the hugepages don't span memory blocks/sections, you are
right. I have no experience with gigantic pages in this regard.

--

Thanks,

David / dhildenb

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