linux-kernel - [PATCH 14 of 31] x86/pgtable.h: demacro ptep_clear_flush

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Date:	Mon, 17 Mar 2008 16:37:05 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ian Campbell <ijc@...lion.org.uk>
Subject: [PATCH 14 of 31] x86/pgtable.h: demacro ptep_clear_flush_young

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
---
 arch/x86/mm/pgtable.c     |   12 ++++++++++++
 include/asm-x86/pgtable.h |   10 ++--------
 2 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -277,3 +277,15 @@
 
 	return ret;
 }
+
+int ptep_clear_flush_young(struct vm_area_struct *vma,
+			   unsigned long address, pte_t *ptep)
+{
+	int young;
+
+	young = ptep_test_and_clear_young(vma, address, ptep);
+	if (young)
+		flush_tlb_page(vma, address);
+
+	return young;
+}
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -308,14 +308,8 @@
 				     unsigned long addr, pte_t *ptep);
 
 #define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
-#define ptep_clear_flush_young(vma, address, ptep)			\
-({									\
-	int __young;							\
-	__young = ptep_test_and_clear_young((vma), (address), (ptep));	\
-	if (__young)							\
-		flush_tlb_page(vma, address);				\
-	__young;							\
-})
+extern int ptep_clear_flush_young(struct vm_area_struct *vma,
+				  unsigned long address, pte_t *ptep);
 
 #define __HAVE_ARCH_PTEP_GET_AND_CLEAR
 static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)


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