x86,mm: fix pte_special versus pte_numa

[cascardo/linux.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index ab3537b..adeac30 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -751,7 +751,7 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
        unsigned long pfn = pte_pfn(pte);
 
        if (HAVE_PTE_SPECIAL) {
-               if (likely(!pte_special(pte) || pte_numa(pte)))
+               if (likely(!pte_special(pte)))
                        goto check_pfn;
                if (vma->vm_flags & (VM_PFNMAP | VM_MIXEDMAP))
                        return NULL;
@@ -777,15 +777,14 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr,
                }
        }
 
+       if (is_zero_pfn(pfn))
+               return NULL;
 check_pfn:
        if (unlikely(pfn > highest_memmap_pfn)) {
                print_bad_pte(vma, addr, pte, NULL);
                return NULL;
        }
 
-       if (is_zero_pfn(pfn))
-               return NULL;
-
        /*
         * NOTE! We still have PageReserved() pages in the page tables.
         * eg. VDSO mappings can cause them to exist.