[PATCH 3/8] THP: Pass real, not rounded, address to clear_huge_page

[Alex Thorlton]

Conflicts:
	mm/huge_memory.c
---
 mm/huge_memory.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 55ec681..2e6f106 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -701,7 +701,8 @@ static inline pmd_t mk_huge_pmd(struct page *page, struct vm_area_struct *vma)
 
 static int __do_huge_pmd_anonymous_page(struct mm_struct *mm,
 					struct vm_area_struct *vma,
-					unsigned long haddr, pmd_t *pmd,
+					unsigned long haddr,
+					unsigned long address, pmd_t *pmd,
 					struct page *page)
 {
 	pgtable_t pgtable;
@@ -711,12 +712,12 @@ static int __do_huge_pmd_anonymous_page(struct mm_struct *mm,
 	if (unlikely(!pgtable))
 		return VM_FAULT_OOM;
 
-	clear_huge_page(page, haddr, HPAGE_PMD_NR);
 	/*
 	 * The memory barrier inside __SetPageUptodate makes sure that
 	 * clear_huge_page writes become visible before the set_pmd_at()
 	 * write.
 	 */
+	clear_huge_page(page, address, HPAGE_PMD_NR);
 	__SetPageUptodate(page);
 
 	spin_lock(&mm->page_table_lock);
@@ -825,8 +826,8 @@ int do_huge_pmd_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
 			put_page(page);
 			goto out;
 		}
-		if (unlikely(__do_huge_pmd_anonymous_page(mm, vma, haddr, pmd,
-							  page))) {
+		if (unlikely(__do_huge_pmd_anonymous_page(mm, vma, haddr,
+						address, pmd, page))) {
 			mem_cgroup_uncharge_page(page);
 			put_page(page);
 			goto out;
-- 
1.7.12.4

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