On 2013/12/11 10:55, H. Peter Anvin wrote: > On 12/10/2013 05:35 PM, Xishi Qiu wrote: >> >> In this case, old code is right, but I discuss in another one that >> you wrote above. >> > > So is there a problem or not? I have lost track... > I think there is a problem. e.g. [start, end)=[8, 12), and [A, B)=[0, 10), [B, C)=[10,20), then e820_all_mapped() will return 1, it spans two regions. Thanks, Xishi Qiu > -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>