diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/mempolicy.c | 6 | ||||
| -rw-r--r-- | mm/rmap.c | 3 |
2 files changed, 6 insertions, 3 deletions
diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 1c16c228f35a..284974230459 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -529,9 +529,13 @@ static void queue_pages_hugetlb_pmd_range(struct vm_area_struct *vma, int nid; struct page *page; spinlock_t *ptl; + pte_t entry; 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; diff --git a/mm/rmap.c b/mm/rmap.c index ea8e20d75b29..bf05fc872ae8 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1591,10 +1591,9 @@ void __put_anon_vma(struct anon_vma *anon_vma) { struct anon_vma *root = anon_vma->root; + anon_vma_free(anon_vma); if (root != anon_vma && atomic_dec_and_test(&root->refcount)) anon_vma_free(root); - - anon_vma_free(anon_vma); } static struct anon_vma *rmap_walk_anon_lock(struct page *page, |