Add dummy pmd_dirty() for architectures that don't provide it.
This is similar to commit 6617da8fb565 ("mm: add dummy pmd_young()
for architectures not having it").
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202312210606.1Etqz3M4-lkp@xxxxxxxxx/
Closes: https://lore.kernel.org/oe-kbuild-all/202312210042.xQEiqlEh-lkp@xxxxxxxxx/
Signed-off-by: Kinsey Ho <kinseyho@xxxxxxxxxx>
Suggested-by: Yu Zhao <yuzhao@xxxxxxxxxx>
---
arch/loongarch/include/asm/pgtable.h | 1 +
arch/mips/include/asm/pgtable.h | 1 +
arch/riscv/include/asm/pgtable.h | 1 +
arch/s390/include/asm/pgtable.h | 1 +
arch/sparc/include/asm/pgtable_64.h | 1 +
arch/x86/include/asm/pgtable.h | 1 +
include/linux/pgtable.h | 7 +++++++
7 files changed, 13 insertions(+)
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index 29d9b12298bc..8b5df1bbf9e9 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -523,6 +523,7 @@ static inline pmd_t pmd_wrprotect(pmd_t pmd)
return pmd;
}
+#define pmd_dirty pmd_dirty
static inline int pmd_dirty(pmd_t pmd)
{
return !!(pmd_val(pmd) & (_PAGE_DIRTY | _PAGE_MODIFIED));
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
index 430b208c0130..e27a4c83c548 100644
--- a/arch/mips/include/asm/pgtable.h
+++ b/arch/mips/include/asm/pgtable.h
@@ -655,6 +655,7 @@ static inline pmd_t pmd_mkwrite_novma(pmd_t pmd)
return pmd;
}
+#define pmd_dirty pmd_dirty
static inline int pmd_dirty(pmd_t pmd)
{
return !!(pmd_val(pmd) & _PAGE_MODIFIED);
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index ab00235b018f..7b4287f36054 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -673,6 +673,7 @@ static inline int pmd_write(pmd_t pmd)
return pte_write(pmd_pte(pmd));
}
+#define pmd_dirty pmd_dirty
static inline int pmd_dirty(pmd_t pmd)
{
return pte_dirty(pmd_pte(pmd));
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 601e87fa8a9a..1299b56e43f6 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -770,6 +770,7 @@ static inline int pud_write(pud_t pud)
return (pud_val(pud) & _REGION3_ENTRY_WRITE) != 0;
}
+#define pmd_dirty pmd_dirty
static inline int pmd_dirty(pmd_t pmd)
{
return (pmd_val(pmd) & _SEGMENT_ENTRY_DIRTY) != 0;
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 5e41033bf4ca..a8c871b7d786 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -706,6 +706,7 @@ static inline unsigned long pmd_write(pmd_t pmd)
#define pud_write(pud) pte_write(__pte(pud_val(pud)))
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#define pmd_dirty pmd_dirty
static inline unsigned long pmd_dirty(pmd_t pmd)
{
pte_t pte = __pte(pmd_val(pmd));
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 08b5cb22d9a6..9d077bca6a10 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -141,6 +141,7 @@ static inline int pte_young(pte_t pte)
return pte_flags(pte) & _PAGE_ACCESSED;
}
+#define pmd_dirty pmd_dirty
static inline bool pmd_dirty(pmd_t pmd)
{
return pmd_flags(pmd) & _PAGE_DIRTY_BITS;
diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h
index 9ecc20fa6269..466cf477551a 100644
--- a/include/linux/pgtable.h
+++ b/include/linux/pgtable.h
@@ -184,6 +184,13 @@ static inline int pmd_young(pmd_t pmd)
}
#endif
+#ifndef pmd_dirty
+static inline int pmd_dirty(pmd_t pmd)
+{
+ return 0;
+}
+#endif
+
/*
* A facility to provide lazy MMU batching. This allows PTE updates and
* page invalidations to be delayed until a call to leave lazy MMU mode
--
2.43.0.472.g3155946c3a-goog
