On Tue, Dec 10, 2013 at 2:51 PM, H. Peter Anvin <hpa@xxxxxxxxx> wrote: > 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? [B, B+1), and [C, C+1) are not there. -- 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>