page_32.h 858 B

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  1. #ifndef _ASM_POWERPC_PAGE_32_H
  2. #define _ASM_POWERPC_PAGE_32_H
  3. #define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32
  4. #ifdef CONFIG_NOT_COHERENT_CACHE
  5. #define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
  6. #endif
  7. #ifndef __ASSEMBLY__
  8. /*
  9. * The basic type of a PTE - 64 bits for those CPUs with > 32 bit
  10. * physical addressing. For now this just the IBM PPC440.
  11. */
  12. #ifdef CONFIG_PTE_64BIT
  13. typedef unsigned long long pte_basic_t;
  14. #define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */
  15. #else
  16. typedef unsigned long pte_basic_t;
  17. #define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */
  18. #endif
  19. struct page;
  20. extern void clear_pages(void *page, int order);
  21. static inline void clear_page(void *page) { clear_pages(page, 0); }
  22. extern void copy_page(void *to, void *from);
  23. #include <asm-generic/page.h>
  24. #endif /* __ASSEMBLY__ */
  25. #endif /* _ASM_POWERPC_PAGE_32_H */