On 25.06.19 20:22, Dave Hansen wrote: > On 6/25/19 10:00 AM, Alexander Duyck wrote: >> Basically what we are doing is inflating the memory size we can report >> by inserting voids into the free memory areas. In my mind that matches >> up very well with what "aeration" is. It is similar to balloon in >> functionality, however instead of inflating the balloon we are >> inflating the free_list for higher order free areas by creating voids >> where the madvised pages were. > > OK, then call it "free page auto ballooning" or "auto ballooning" or > "allocator ballooning". s390 calls them "unused pages". > > Any of those things are clearer and more meaningful than "page aeration" > to me. > Alex, if you want to generalize the approach, and not call it "hinting", what about something similar to "page recycling". Would also fit the "waste" example and would be clearer - at least to me. Well, "bubble" does not apply anymore ... -- Thanks, David / dhildenb