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-rw-r--r--arch/powerpc/include/asm/tlb.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/tlb.h b/arch/powerpc/include/asm/tlb.h
new file mode 100644
index 000000000..20733fa51
--- /dev/null
+++ b/arch/powerpc/include/asm/tlb.h
@@ -0,0 +1,50 @@
+/*
+ * TLB shootdown specifics for powerpc
+ *
+ * Copyright (C) 2002 Anton Blanchard, IBM Corp.
+ * Copyright (C) 2002 Paul Mackerras, IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_POWERPC_TLB_H
+#define _ASM_POWERPC_TLB_H
+#ifdef __KERNEL__
+
+#ifndef __powerpc64__
+#include <asm/pgtable.h>
+#endif
+#include <asm/pgalloc.h>
+#include <asm/tlbflush.h>
+#ifndef __powerpc64__
+#include <asm/page.h>
+#include <asm/mmu.h>
+#endif
+
+#include <linux/pagemap.h>
+
+#define tlb_start_vma(tlb, vma) do { } while (0)
+#define tlb_end_vma(tlb, vma) do { } while (0)
+#define __tlb_remove_tlb_entry __tlb_remove_tlb_entry
+
+extern void tlb_flush(struct mmu_gather *tlb);
+
+/* Get the generic bits... */
+#include <asm-generic/tlb.h>
+
+extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
+ unsigned long address);
+
+static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
+ unsigned long address)
+{
+#ifdef CONFIG_PPC_STD_MMU_32
+ if (pte_val(*ptep) & _PAGE_HASHPTE)
+ flush_hash_entry(tlb->mm, ptep, address);
+#endif
+}
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_POWERPC_TLB_H */