[PATCH v23 08/28] x86/mm: Move pmd_write(), pud_write() up in the file

Yu-cheng Yu
2021-03-16T15:12:29Z

To prepare the introduction of _PAGE_COW, move pmd_write() and
pud_write() up in the file, so that they can be used by other
helpers below.

Signed-off-by: Yu-cheng Yu <yu-cheng.yu@intel.com>
---
arch/x86/include/asm/pgtable.h | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index a02c67291cfc..c1650d0af1b5 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -185,6 +185,18 @@ static inline int pte_write(pte_t pte)
return pte_flags(pte) & _PAGE_RW;
}

+#define pmd_write pmd_write
+static inline int pmd_write(pmd_t pmd)
+{
+ return pmd_flags(pmd) & _PAGE_RW;
+}
+
+#define pud_write pud_write
+static inline int pud_write(pud_t pud)
+{
+ return pud_flags(pud) & _PAGE_RW;
+}
+
static inline int pte_huge(pte_t pte)
{
return pte_flags(pte) & _PAGE_PSE;
@@ -1128,12 +1140,6 @@ extern int pmdp_clear_flush_young(struct vm_area_struct *vma,
unsigned long address, pmd_t *pmdp);

-#define pmd_write pmd_write
-static inline int pmd_write(pmd_t pmd)
-{
- return pmd_flags(pmd) & _PAGE_RW;
-}
-
#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR
static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long addr,
pmd_t *pmdp)
@@ -1155,12 +1161,6 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm,
clear_bit(_PAGE_BIT_RW, (unsigned long *)pmdp);
}

-#define pud_write pud_write
-static inline int pud_write(pud_t pud)
-{
- return pud_flags(pud) & _PAGE_RW;
-}
-
#ifndef pmdp_establish
#define pmdp_establish pmdp_establish
static inline pmd_t pmdp_establish(struct vm_area_struct *vma,
--
2.21.0