On Thu, 06 Nov 2014 16:08:02 +0800 Weijie Yang <weijie.yang@xxxxxxxxxxx> wrote: > In the undo path of start_isolate_page_range(), we need to check > the pfn validity before access its page, or it will trigger an > addressing exception if there is hole in the zone. > There is not enough information in the chagnelog for me to decide how to handle the patch. 3.19? 3.18? 3.18+stable? When fixing bugs, please remember to fully explain the end-user impact of the bug. Under what circumstances does it occur? -- 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>