linux-kernel - [PATCH, RFC 3/6] THP: Pass real, not rounded, address to clear_huge

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Message-Id: <1342788622-10290-4-git-send-email-kirill.shutemov@linux.intel.com>
Date:	Fri, 20 Jul 2012 15:50:19 +0300
From:	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To:	linux-mm@...ck.org
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	Andi Kleen <ak@...ux.intel.com>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Tim Chen <tim.c.chen@...ux.intel.com>,
	Alex Shi <alex.shu@...el.com>,
	Jan Beulich <jbeulich@...ell.com>,
	Robert Richter <robert.richter@....com>,
	Andy Lutomirski <luto@...capital.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Andrea Arcangeli <aarcange@...hat.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Hugh Dickins <hughd@...gle.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Mel Gorman <mgorman@...e.de>, linux-kernel@...r.kernel.org
Subject: [PATCH, RFC 3/6] THP: Pass real, not rounded, address to clear_huge_page

From: Andi Kleen <ak@...ux.intel.com>

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.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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