On Mon, Nov 07, 2016 at 02:04:41PM +0530, Aneesh Kumar K.V wrote: > @@ -2953,6 +2966,13 @@ static int do_set_pmd(struct fault_env *fe, struct > page *page) > ret = VM_FAULT_FALLBACK; > page = compound_head(page); > > + /* > + * Archs like ppc64 need additonal space to store information > + * related to pte entry. Use the preallocated table for that. > + */ > + if (arch_needs_pgtable_deposit() && !fe->prealloc_pte) > + fe->prealloc_pte = pte_alloc_one(vma->vm_mm, fe->address); > +
-ENOMEM handling? I think we should do this way before this point. Maybe in do_fault() or something. -- Kirill A. Shutemov
