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Subject[PATCH, RFC 3/6] THP: Pass real, not rounded, address to clear_huge_page
Date
From: Andi Kleen <ak@linux.intel.com>

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
---
mm/huge_memory.c | 9 +++++----
1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 70737ec..ecd93f8 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -633,7 +633,8 @@ static inline pmd_t maybe_pmd_mkwrite(pmd_t pmd, 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;
@@ -643,7 +644,7 @@ 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);
+ clear_huge_page(page, address, HPAGE_PMD_NR);
__SetPageUptodate(page);

spin_lock(&mm->page_table_lock);
@@ -720,8 +721,8 @@ 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;
--
1.7.7.6


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