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Diffstat (limited to 'arch/powerpc/include/asm/tlb.h')
-rw-r--r-- | arch/powerpc/include/asm/tlb.h | 50 |
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 */ |