On Thu, Nov 16, 2023 at 01:52:26PM +0100, Michal Hocko wrote: > On Thu 16-11-23 09:59:01, Mel Gorman wrote: > [...] > > This patch in isolation seems fine with the caveat that such a small > > system may find the atomic reserves to be borderline useless. > > Yes, exactly what I had in mind. Would it make sense to reserve the the > pageblock only if it really is less than 1% of available memory? I'd have no objection with the caveat that we need to watch out for new bugs related to high-order atomic failures. If ths risk is noted in the changelog and that it's a revert candidate then any bisection should trivially find it. -- Mel Gorman SUSE Labs
