Re: memory offline infinite loop after soft offline

From: David Hildenbrand
Date: Fri Oct 18 2019 - 04:38:28 EST

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.



David / dhildenb