[PATCH v2 2/9] riscv: mm: add pud_soft_dirty()

["Carlos López" <clopez@suse.de>]

riscv supports soft-dirty and PUD-sized transparent huge pages, but only
provides pmd_soft_dirty() and not pud_soft_dirty(). Add it, so generic
code can check the soft-dirty bit of a huge PUD.

Signed-off-by: Carlos López <clopez@suse.de>
---
 arch/riscv/include/asm/pgtable.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 2ebd5fa5adc5..40890f51dec6 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -949,6 +949,11 @@ static inline pmd_t pmd_clear_soft_dirty(pmd_t pmd)
 	return pte_pmd(pte_clear_soft_dirty(pmd_pte(pmd)));
 }
 
+static inline bool pud_soft_dirty(pud_t pud)
+{
+	return pte_soft_dirty(pud_pte(pud));
+}
+
 #ifdef CONFIG_ARCH_HAS_PMD_SOFTLEAVES
 static inline bool pmd_swp_soft_dirty(pmd_t pmd)
 {
-- 
2.51.0