From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: LKML <linux-kernel@vger.kernel.org>, Andi Kleen <ak@suse.de>,
Jan Beulich <jbeulich@novell.com>,
Eduardo Pereira Habkost <ehabkost@redhat.com>,
Ian Campbell <ijc@hellion.org.uk>, H Peter Anvin <hpa@zytor.com>,
Zach Amsden <zach@vmware.com>
Subject: [PATCH 4 of 5] x86/pgtable.h: demacro ptep_test_and_clear_young
Date: Fri, 01 Feb 2008 15:25:27 -0800 [thread overview]
Message-ID: <34c85c8865fad0fe75df.1201908327@localhost> (raw)
In-Reply-To: <patchbomb.1201908323@localhost>
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
---
include/asm-x86/pgtable.h | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
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
@@ -311,15 +311,17 @@
}
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
-#define ptep_test_and_clear_young(vma, addr, ptep) ({ \
- int __ret = 0; \
- if (pte_young(*(ptep))) \
- __ret = test_and_clear_bit(_PAGE_BIT_ACCESSED, \
- &(ptep)->pte); \
- if (__ret) \
- pte_update((vma)->vm_mm, addr, ptep); \
- __ret; \
-})
+static inline int ptep_test_and_clear_young(struct vm_area_struct *vma,
+ unsigned long addr, pte_t *ptep)
+{
+ int ret = 0;
+ if (pte_young(*ptep))
+ ret = test_and_clear_bit(_PAGE_BIT_ACCESSED,
+ &ptep->pte);
+ if (ret)
+ pte_update(vma->vm_mm, addr, ptep);
+ return ret;
+}
#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
#define ptep_clear_flush_young(vma, address, ptep) \
next prev parent reply other threads:[~2008-02-02 9:03 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-01 23:25 [PATCH 0 of 5] x86: add alloc/release_pud; more demacroing Jeremy Fitzhardinge
2008-02-01 23:25 ` [PATCH 1 of 5] x86: rename paravirt_alloc_pt etc after the pagetable structure Jeremy Fitzhardinge
2008-02-01 23:25 ` [PATCH 2 of 5] x86: add pud_alloc for 4-level pagetables Jeremy Fitzhardinge
2008-02-01 23:25 ` [PATCH 3 of 5] x86/pgtable.h: demacro ptep_set_access_flags Jeremy Fitzhardinge
2008-02-02 9:27 ` Ingo Molnar
2008-02-02 9:31 ` Ingo Molnar
2008-02-02 10:20 ` Jeremy Fitzhardinge
2008-02-01 23:25 ` Jeremy Fitzhardinge [this message]
2008-02-01 23:25 ` [PATCH 5 of 5] x86/pgtable.h: demacro ptep_clear_flush_young Jeremy Fitzhardinge
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