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-rw-r--r--riscv/include/asm/tlb.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/riscv/include/asm/tlb.h b/riscv/include/asm/tlb.h
new file mode 100644
index 0000000..50b63b5
--- /dev/null
+++ b/riscv/include/asm/tlb.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2012 Regents of the University of California
+ */
+
+#ifndef _ASM_RISCV_TLB_H
+#define _ASM_RISCV_TLB_H
+
+struct mmu_gather;
+
+static void tlb_flush(struct mmu_gather *tlb);
+
+#define tlb_flush tlb_flush
+#include <asm-generic/tlb.h>
+
+static inline void tlb_flush(struct mmu_gather *tlb)
+{
+#ifdef CONFIG_MMU
+ if (tlb->fullmm || tlb->need_flush_all || tlb->freed_tables)
+ flush_tlb_mm(tlb->mm);
+ else
+ flush_tlb_mm_range(tlb->mm, tlb->start, tlb->end,
+ tlb_get_unmap_size(tlb));
+#endif
+}
+
+#endif /* _ASM_RISCV_TLB_H */