Subject: remove anon-vma changes

From: Andrea Arcangeli <aarcange@redhat.com>

Return to the 2.6.33 code.

Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
---

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -791,14 +791,13 @@ static void __split_huge_page(struct pag
 			      struct anon_vma *anon_vma)
 {
 	int mapcount, mapcount2;
-	struct anon_vma_chain *avc;
+	struct vm_area_struct *vma;
 
 	BUG_ON(!PageHead(page));
 	BUG_ON(PageTail(page));
 
 	mapcount = 0;
-	list_for_each_entry(avc, &anon_vma->head, same_anon_vma) {
-		struct vm_area_struct *vma = avc->vma;
+	list_for_each_entry(vma, &anon_vma->head, anon_vma_node) {
 		unsigned long addr = vma_address(page, vma);
 		if (addr == -EFAULT)
 			continue;
@@ -809,8 +808,7 @@ static void __split_huge_page(struct pag
 	__split_huge_page_refcount(page);
 
 	mapcount2 = 0;
-	list_for_each_entry(avc, &anon_vma->head, same_anon_vma) {
-		struct vm_area_struct *vma = avc->vma;
+	list_for_each_entry(vma, &anon_vma->head, anon_vma_node) {
 		unsigned long addr = vma_address(page, vma);
 		if (addr == -EFAULT)
 			continue;