On Fri, Apr 15, 2011 at 11:12:48AM +0100, Mel Gorman wrote: > diff --git a/mm/memory.c b/mm/memory.c > index 5823698..1659574 100644 > --- a/mm/memory.c > +++ b/mm/memory.c > @@ -3322,7 +3322,7 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, > * run pte_offset_map on the pmd, if an huge pmd could > * materialize from under us from a different thread. > */ > - if (unlikely(__pte_alloc(mm, vma, pmd, address))) > + if (unlikely(pmd_none(*pmd)) && __pte_alloc(mm, vma, pmd, address)) > return VM_FAULT_OOM; > /* if an huge pmd materialized from under us just retry later */ > if (unlikely(pmd_trans_huge(*pmd))) Reviewed-by: Andrea Arcangeli <aarcange@xxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>