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-rw-r--r--mm/mempolicy.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 5609a31..bec88c8 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -189,17 +189,15 @@ static int check_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
orig_pte = pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
do {
- unsigned long pfn;
+ struct page *page;
unsigned int nid;
if (!pte_present(*pte))
continue;
- pfn = pte_pfn(*pte);
- if (!pfn_valid(pfn)) {
- print_bad_pte(vma, *pte, addr);
+ page = vm_normal_page(vma, addr, *pte);
+ if (!page)
continue;
- }
- nid = pfn_to_nid(pfn);
+ nid = page_to_nid(page);
if (!node_isset(nid, *nodes))
break;
} while (pte++, addr += PAGE_SIZE, addr != end);
@@ -269,8 +267,6 @@ check_range(struct mm_struct *mm, unsigned long start, unsigned long end,
first = find_vma(mm, start);
if (!first)
return ERR_PTR(-EFAULT);
- if (first->vm_flags & VM_UNPAGED)
- return ERR_PTR(-EACCES);
prev = NULL;
for (vma = first; vma && vma->vm_start < end; vma = vma->vm_next) {
if (!vma->vm_next && vma->vm_end < end)
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