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-rw-r--r--mm/ksm.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/mm/ksm.c b/mm/ksm.c
index 56a0da1f9979..a93f1b7f508c 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -1563,10 +1563,12 @@ int page_referenced_ksm(struct page *page, struct mem_cgroup *memcg,
1563again: 1563again:
1564 hlist_for_each_entry(rmap_item, hlist, &stable_node->hlist, hlist) { 1564 hlist_for_each_entry(rmap_item, hlist, &stable_node->hlist, hlist) {
1565 struct anon_vma *anon_vma = rmap_item->anon_vma; 1565 struct anon_vma *anon_vma = rmap_item->anon_vma;
1566 struct anon_vma_chain *vmac;
1566 struct vm_area_struct *vma; 1567 struct vm_area_struct *vma;
1567 1568
1568 spin_lock(&anon_vma->lock); 1569 spin_lock(&anon_vma->lock);
1569 list_for_each_entry(vma, &anon_vma->head, anon_vma_node) { 1570 list_for_each_entry(vmac, &anon_vma->head, same_anon_vma) {
1571 vma = vmac->vma;
1570 if (rmap_item->address < vma->vm_start || 1572 if (rmap_item->address < vma->vm_start ||
1571 rmap_item->address >= vma->vm_end) 1573 rmap_item->address >= vma->vm_end)
1572 continue; 1574 continue;
@@ -1614,10 +1616,12 @@ int try_to_unmap_ksm(struct page *page, enum ttu_flags flags)
1614again: 1616again:
1615 hlist_for_each_entry(rmap_item, hlist, &stable_node->hlist, hlist) { 1617 hlist_for_each_entry(rmap_item, hlist, &stable_node->hlist, hlist) {
1616 struct anon_vma *anon_vma = rmap_item->anon_vma; 1618 struct anon_vma *anon_vma = rmap_item->anon_vma;
1619 struct anon_vma_chain *vmac;
1617 struct vm_area_struct *vma; 1620 struct vm_area_struct *vma;
1618 1621
1619 spin_lock(&anon_vma->lock); 1622 spin_lock(&anon_vma->lock);
1620 list_for_each_entry(vma, &anon_vma->head, anon_vma_node) { 1623 list_for_each_entry(vmac, &anon_vma->head, same_anon_vma) {
1624 vma = vmac->vma;
1621 if (rmap_item->address < vma->vm_start || 1625 if (rmap_item->address < vma->vm_start ||
1622 rmap_item->address >= vma->vm_end) 1626 rmap_item->address >= vma->vm_end)
1623 continue; 1627 continue;
@@ -1664,10 +1668,12 @@ int rmap_walk_ksm(struct page *page, int (*rmap_one)(struct page *,
1664again: 1668again:
1665 hlist_for_each_entry(rmap_item, hlist, &stable_node->hlist, hlist) { 1669 hlist_for_each_entry(rmap_item, hlist, &stable_node->hlist, hlist) {
1666 struct anon_vma *anon_vma = rmap_item->anon_vma; 1670 struct anon_vma *anon_vma = rmap_item->anon_vma;
1671 struct anon_vma_chain *vmac;
1667 struct vm_area_struct *vma; 1672 struct vm_area_struct *vma;
1668 1673
1669 spin_lock(&anon_vma->lock); 1674 spin_lock(&anon_vma->lock);
1670 list_for_each_entry(vma, &anon_vma->head, anon_vma_node) { 1675 list_for_each_entry(vmac, &anon_vma->head, same_anon_vma) {
1676 vma = vmac->vma;
1671 if (rmap_item->address < vma->vm_start || 1677 if (rmap_item->address < vma->vm_start ||
1672 rmap_item->address >= vma->vm_end) 1678 rmap_item->address >= vma->vm_end)
1673 continue; 1679 continue;