On 08/27/2014 11:26 AM, Mel Gorman wrote: > diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h > index 281870f..ffea570 100644 > --- a/include/asm-generic/pgtable.h > +++ b/include/asm-generic/pgtable.h > @@ -723,6 +723,9 @@ static inline pte_t pte_mknuma(pte_t pte) > > VM_BUG_ON(!(val & _PAGE_PRESENT)); > > + /* debugging only, specific to x86 */ > + VM_BUG_ON(val & _PAGE_PROTNONE); > + > val &= ~_PAGE_PRESENT; > val |= _PAGE_NUMA; Triggered again, the first VM_BUG_ON got hit, the second one never did. Thanks, Sasha -- 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>