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We are simply adding more pins to an already pinned one ... > > > > > > > > Jason suggests a better name in the other thread. > > > > > > I would prefer something that simply adds more pins to an already pinned > > > folio. Much easier to get. > > > > Yes, but also nobody should ever want to do that operation, it should > > always be part of some kind of "splitting" sort of behavior.. > > I remember patches from Dave Howells that needed that for O_DIRECT handling. > Never say never ;) Wouldn't O_DIRECT be the same splitting thing? > Adding is much more intuitive than splitting ... just like we add references > when splitting a THP, using folio_ref_add(). Well, sure, it just seems harder to document so people can use it properly. Jason