On Wed, Feb 06, 2013 at 09:42:34AM +0900, Minchan Kim wrote: > THP degradation by increasing MIGRATE_UNMOVABLE? > Lin said most of GUP pages release the page in short so is it really problem? > Even in embedded, we don't use THP yet but CMA and GUP call would be not too often > but failing of CMA would be critical. > > I'd like to hear opinions. If aio was given a callback to migrate the pages on, it could just migrate the pages as needed. There's nothing fundamental preventing that approach. -ben -- "Thought is the essence of where you are now." -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>