Hillf Danton wrote: > On Sun, May 12, 2013 at 9:23 AM, Kirill A. Shutemov > <kirill.shutemov@xxxxxxxxxxxxxxx> wrote: > > @@ -3316,17 +3361,25 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma, > > if (unlikely(anon_vma_prepare(vma))) > > return VM_FAULT_OOM; > > > > - cow_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address); > > + cow_page = alloc_fault_page_vma(vma, address, flags); > > if (!cow_page) > > - return VM_FAULT_OOM; > > + return VM_FAULT_OOM | VM_FAULT_FALLBACK; > > > > Fallback makes sense with !thp ? No, it's nop. handle_pte_fault() will notice only VM_FAULT_OOM. That's what we need. -- Kirill A. Shutemov -- 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>