On Tue 31-03-20 18:12:15, Uladzislau Rezki wrote: > > > > __GFP_ATOMIC | __GFP_HIGH is the way to get an additional access to > > memory reserves regarless of the sleeping status. > > > Michal, just one question here regarding proposed flags. Can we also > tight it with __GFP_RETRY_MAYFAIL flag? Means it also can repeat a few > times in order to increase the chance of being success. yes, __GFP_RETRY_MAYFAIL is perfectly valid with __GFP_ATOMIC. Please note that __GFP_ATOMIC, despite its name, doesn't imply an atomic allocation which cannot sleep. Quite confusing, I know. A much better name would be __GFP_RESERVES or something like that. -- Michal Hocko SUSE Labs