On 10/7/19 9:55 AM, Michal Hocko wrote: > From: David Rientjes <[email protected]> Nit: the subject is still somewhat misleading IMHO, especially in light of Mike's responses. I would say "reclaim as needed" instead of "excessively reclaim". The excessive reclaim behavior in hugetlb nr_pages setting was a bug that was addressed by a different series. ...
> [[email protected]: reworded changelog] > Fixes: b39d0ee2632d ("mm, page_alloc: avoid expensive reclaim when compaction > may not succeed") > Cc: Mike Kravetz <[email protected]> > Signed-off-by: David Rientjes <[email protected]> > Signed-off-by: Michal Hocko <[email protected]> I still believe that using __GFP_NORETRY as needed is a cleaner solution than a check for pageblock order and __GFP_IO, but that can be always changed later. This patch does fix the hugetlbfs regression, so Acked-by: Vlastimil Babka <[email protected]>
