page_32.h 882 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. #define PPC_MEMSTART 0
  5. #ifdef CONFIG_NOT_COHERENT_CACHE
  6. #define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES
  7. #endif
  8. #ifndef __ASSEMBLY__
  9. /*
  10. * The basic type of a PTE - 64 bits for those CPUs with > 32 bit
  11. * physical addressing. For now this just the IBM PPC440.
  12. */
  13. #ifdef CONFIG_PTE_64BIT
  14. typedef unsigned long long pte_basic_t;
  15. #define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */
  16. #else
  17. typedef unsigned long pte_basic_t;
  18. #define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */
  19. #endif
  20. struct page;
  21. extern void clear_pages(void *page, int order);
  22. static inline void clear_page(void *page) { clear_pages(page, 0); }
  23. extern void copy_page(void *to, void *from);
  24. #include <asm-generic/page.h>
  25. #endif /* __ASSEMBLY__ */
  26. #endif /* _ASM_POWERPC_PAGE_32_H */