tlb.h 1.2 KB

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  1. /*
  2. * TLB shootdown specifics for powerpc
  3. *
  4. * Copyright (C) 2002 Anton Blanchard, IBM Corp.
  5. * Copyright (C) 2002 Paul Mackerras, IBM Corp.
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License
  9. * as published by the Free Software Foundation; either version
  10. * 2 of the License, or (at your option) any later version.
  11. */
  12. #ifndef _ASM_POWERPC_TLB_H
  13. #define _ASM_POWERPC_TLB_H
  14. #ifdef __KERNEL__
  15. #ifndef __powerpc64__
  16. #include <asm/pgtable.h>
  17. #endif
  18. #include <asm/pgalloc.h>
  19. #include <asm/tlbflush.h>
  20. #ifndef __powerpc64__
  21. #include <asm/page.h>
  22. #include <asm/mmu.h>
  23. #endif
  24. #include <linux/pagemap.h>
  25. #define tlb_start_vma(tlb, vma) do { } while (0)
  26. #define tlb_end_vma(tlb, vma) do { } while (0)
  27. extern void tlb_flush(struct mmu_gather *tlb);
  28. /* Get the generic bits... */
  29. #include <asm-generic/tlb.h>
  30. extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
  31. unsigned long address);
  32. static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
  33. unsigned long address)
  34. {
  35. #ifdef CONFIG_PPC_STD_MMU_32
  36. if (pte_val(*ptep) & _PAGE_HASHPTE)
  37. flush_hash_entry(tlb->mm, ptep, address);
  38. #endif
  39. }
  40. #endif /* __KERNEL__ */
  41. #endif /* __ASM_POWERPC_TLB_H */