On 12/10/2013 01:52 PM, Yinghai Lu wrote: >> >> What happens if it spans more than two regions? > > [A, B), [B+1, C), [C+1, D) ? > start in [A, B), and end in [C+1, D). > > old code: > first with [A, B), start set to B. > then with [B+1, C), start still keep as B. > then with [C+1, D), start still keep as B. > at last still return 0...aka not_all_mapped. > > old code is still right. > Why not_all_mapped? -hpa -- 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>