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Diffstat (limited to 'arch/riscv/include/asm/pgtable-64.h')
-rw-r--r--arch/riscv/include/asm/pgtable-64.h27
1 files changed, 22 insertions, 5 deletions
diff --git a/arch/riscv/include/asm/pgtable-64.h b/arch/riscv/include/asm/pgtable-64.h
index 221a5c1ee287..7de05db7d3bd 100644
--- a/arch/riscv/include/asm/pgtable-64.h
+++ b/arch/riscv/include/asm/pgtable-64.h
@@ -16,8 +16,6 @@ extern bool pgtable_l5_enabled;
#define PGDIR_SHIFT_L3 30
#define PGDIR_SHIFT_L4 39
#define PGDIR_SHIFT_L5 48
-#define PGDIR_SIZE_L3 (_AC(1, UL) << PGDIR_SHIFT_L3)
-
#define PGDIR_SHIFT (pgtable_l5_enabled ? PGDIR_SHIFT_L5 : \
(pgtable_l4_enabled ? PGDIR_SHIFT_L4 : PGDIR_SHIFT_L3))
/* Size of region mapped by a page global directory */
@@ -186,7 +184,7 @@ static inline int pud_none(pud_t pud)
static inline int pud_bad(pud_t pud)
{
- return !pud_present(pud);
+ return !pud_present(pud) || (pud_val(pud) & _PAGE_LEAF);
}
#define pud_leaf pud_leaf
@@ -264,8 +262,6 @@ static inline unsigned long _pmd_pfn(pmd_t pmd)
return __page_val_to_pfn(pmd_val(pmd));
}
-#define mk_pmd(page, prot) pfn_pmd(page_to_pfn(page), prot)
-
#define pmd_ERROR(e) \
pr_err("%s:%d: bad pmd %016lx.\n", __FILE__, __LINE__, pmd_val(e))
@@ -400,4 +396,25 @@ static inline struct page *pgd_page(pgd_t pgd)
#define p4d_offset p4d_offset
p4d_t *p4d_offset(pgd_t *pgd, unsigned long address);
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+static inline int pte_devmap(pte_t pte);
+static inline pte_t pmd_pte(pmd_t pmd);
+static inline pte_t pud_pte(pud_t pud);
+
+static inline int pmd_devmap(pmd_t pmd)
+{
+ return pte_devmap(pmd_pte(pmd));
+}
+
+static inline int pud_devmap(pud_t pud)
+{
+ return pte_devmap(pud_pte(pud));
+}
+
+static inline int pgd_devmap(pgd_t pgd)
+{
+ return 0;
+}
+#endif
+
#endif /* _ASM_RISCV_PGTABLE_64_H */