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Message-Id: <20210316151054.5405-9-yu-cheng.yu@intel.com>
Date: Tue, 16 Mar 2021 08:10:34 -0700
From: Yu-cheng Yu <yu-cheng.yu@...el.com>
To: x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
linux-doc@...r.kernel.org, linux-mm@...ck.org,
linux-arch@...r.kernel.org, linux-api@...r.kernel.org,
Arnd Bergmann <arnd@...db.de>,
Andy Lutomirski <luto@...nel.org>,
Balbir Singh <bsingharora@...il.com>,
Borislav Petkov <bp@...en8.de>,
Cyrill Gorcunov <gorcunov@...il.com>,
Dave Hansen <dave.hansen@...ux.intel.com>,
Eugene Syromiatnikov <esyr@...hat.com>,
Florian Weimer <fweimer@...hat.com>,
"H.J. Lu" <hjl.tools@...il.com>, Jann Horn <jannh@...gle.com>,
Jonathan Corbet <corbet@....net>,
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Mike Kravetz <mike.kravetz@...cle.com>,
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Oleg Nesterov <oleg@...hat.com>, Pavel Machek <pavel@....cz>,
Peter Zijlstra <peterz@...radead.org>,
Randy Dunlap <rdunlap@...radead.org>,
"Ravi V. Shankar" <ravi.v.shankar@...el.com>,
Vedvyas Shanbhogue <vedvyas.shanbhogue@...el.com>,
Dave Martin <Dave.Martin@....com>,
Weijiang Yang <weijiang.yang@...el.com>,
Pengfei Xu <pengfei.xu@...el.com>,
Haitao Huang <haitao.huang@...el.com>
Cc: Yu-cheng Yu <yu-cheng.yu@...el.com>
Subject: [PATCH v23 08/28] x86/mm: Move pmd_write(), pud_write() up in the file
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@...el.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
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