On Tue, 2012-12-11 at 03:03 +0100, Andi Kleen wrote: > > IIUC, soft offlining will isolate and migrate hwpoisoned page, and this > > page will not be accessed by memory management subsystem until unpoison, > > correct? > > No, soft offlining can still allow accesses for some time. It'll never kill > anything. Oh, it will be putback to lru list during migration. So does your "some time" mean before call check_new_page? -Simon > > Hard tries much harder and will kill. > > In some cases (unshrinkable kernel allocation) they end up doing the same > because there isn't any other alternative though. However these are > expected to only apply to a small percentage of pages in a typical > system. > > -Andi -- 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>