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-rw-r--r--arch/riscv/include/asm/vmalloc.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/vmalloc.h b/arch/riscv/include/asm/vmalloc.h
index ff9abc00d139..51f6dfe19745 100644
--- a/arch/riscv/include/asm/vmalloc.h
+++ b/arch/riscv/include/asm/vmalloc.h
@@ -1,4 +1,24 @@
#ifndef _ASM_RISCV_VMALLOC_H
#define _ASM_RISCV_VMALLOC_H
+#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
+
+extern bool pgtable_l4_enabled, pgtable_l5_enabled;
+
+#define IOREMAP_MAX_ORDER (PUD_SHIFT)
+
+#define arch_vmap_pud_supported arch_vmap_pud_supported
+static inline bool arch_vmap_pud_supported(pgprot_t prot)
+{
+ return pgtable_l4_enabled || pgtable_l5_enabled;
+}
+
+#define arch_vmap_pmd_supported arch_vmap_pmd_supported
+static inline bool arch_vmap_pmd_supported(pgprot_t prot)
+{
+ return true;
+}
+
+#endif
+
#endif /* _ASM_RISCV_VMALLOC_H */