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mm/memory-failure.c: support use of a dedicated thread to handle SIGBUS(BUS_MCEERR_AO)
[platform/adaptation/renesas_rcar/renesas_kernel.git]
/
mm
/
mempolicy.c
diff --git
a/mm/mempolicy.c
b/mm/mempolicy.c
index
ae3c8f3
..
56224d9
100644
(file)
--- a/
mm/mempolicy.c
+++ b/
mm/mempolicy.c
@@
-526,9
+526,13
@@
static void queue_pages_hugetlb_pmd_range(struct vm_area_struct *vma,
int nid;
struct page *page;
spinlock_t *ptl;
int nid;
struct page *page;
spinlock_t *ptl;
+ pte_t entry;
ptl = huge_pte_lock(hstate_vma(vma), vma->vm_mm, (pte_t *)pmd);
ptl = huge_pte_lock(hstate_vma(vma), vma->vm_mm, (pte_t *)pmd);
- page = pte_page(huge_ptep_get((pte_t *)pmd));
+ entry = huge_ptep_get((pte_t *)pmd);
+ if (!pte_present(entry))
+ goto unlock;
+ page = pte_page(entry);
nid = page_to_nid(page);
if (node_isset(nid, *nodes) == !!(flags & MPOL_MF_INVERT))
goto unlock;
nid = page_to_nid(page);
if (node_isset(nid, *nodes) == !!(flags & MPOL_MF_INVERT))
goto unlock;