On Tue, 2015-02-24 at 16:16 -0800, David Rientjes wrote: > Now that gigantic pages are dynamically allocatable, care must be taken > to ensure that p->first_page is valid before setting PageTail. > > If this isn't done, then it is possible to race and have compound_head() > return NULL. > > Signed-off-by: David Rientjes <rientjes@xxxxxxxxxx> Acked-by: Davidlohr Bueso <dave@xxxxxxxxxxxx> -- 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>