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kernel add
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/*
* include/asm-xtensa/tlb.h
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2001 - 2005 Tensilica Inc.
*/
#ifndef _XTENSA_TLB_H
#define _XTENSA_TLB_H
#include <asm/cache.h>
#include <asm/page.h>
#if (DCACHE_WAY_SIZE <= PAGE_SIZE)
/* Note, read http://lkml.org/lkml/2004/1/15/6 */
# define tlb_start_vma(tlb,vma) do { } while (0)
# define tlb_end_vma(tlb,vma) do { } while (0)
#else
# define tlb_start_vma(tlb, vma) \
do { \
if (!tlb->fullmm) \
flush_cache_range(vma, vma->vm_start, vma->vm_end); \
} while(0)
# define tlb_end_vma(tlb, vma) \
do { \
if (!tlb->fullmm) \
flush_tlb_range(vma, vma->vm_start, vma->vm_end); \
} while(0)
#endif
#define __tlb_remove_tlb_entry(tlb,pte,addr) do { } while (0)
#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
#include <asm-generic/tlb.h>
#define __pte_free_tlb(tlb, pte, address) pte_free((tlb)->mm, pte)
#endif /* _XTENSA_TLB_H */
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