On Thu 29-05-25 09:46:28, Michal Hocko wrote: > On Wed 28-05-25 23:01:04, David Hildenbrand wrote: > [...] > > I think we just have to be careful to document it properly -- especially the > > shortcomings and that this feature might become a problem in the future. > > Movable user-space page tables getting placed on CMA memory would probably > > not be a problem if we don't care about ... user-space data either way. > > I think makedumpfile could refuse to capture a dump if userspace memory > is requested to enforce this. > > > The whole "Direct I/O takes max 1s" part is a bit shaky. Maybe it could be > > configurable how long to wait? 10s is certainly "safer". > > Quite honestly we will never know and rather than making this > configurable I would go with reasonably large. Couple of seconds > certainly do not matter for the kdump situations but I would go as far
typo s@I would go@I would not go@ > as minutes. -- Michal Hocko SUSE Labs