1 files changed, 1 insertions, 2 deletions
diff --git a/mm/ksm.c b/mm/ksm.c
index aa4c7c7250c..346ddc9e4c0 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -444,7 +444,7 @@ static void break_cow(struct rmap_item *rmap_item)
 static struct page *page_trans_compound_anon(struct page *page)
 {
 	if (PageTransCompound(page)) {
-		struct page *head = compound_trans_head(page);
+		struct page *head = compound_head(page);
 		/*
 		 * head may actually be splitted and freed from under
 		 * us but it's ok here.
@@ -945,7 +945,6 @@ static int replace_page(struct vm_area_struct *vma, struct page *page,
 	pmd = mm_find_pmd(mm, addr);
 	if (!pmd)
 		goto out;
-	BUG_ON(pmd_trans_huge(*pmd));
 
 	mmun_start = addr;
 	mmun_end   = addr + PAGE_SIZE;