include/asm-powerpc/page_32.h

   1 #ifndef _ASM_POWERPC_PAGE_32_H
   2 #define _ASM_POWERPC_PAGE_32_H
   3
   4 #define VM_DATA_DEFAULT_FLAGS   VM_DATA_DEFAULT_FLAGS32
   5
   6 #define PPC_MEMSTART    0
   7
   8 #ifdef CONFIG_NOT_COHERENT_CACHE
   9 #define ARCH_KMALLOC_MINALIGN   L1_CACHE_BYTES
  10 #endif
  11
  12 #ifndef __ASSEMBLY__
  13 /*
  14  * The basic type of a PTE - 64 bits for those CPUs with > 32 bit
  15  * physical addressing.  For now this just the IBM PPC440.
  16  */
  17 #ifdef CONFIG_PTE_64BIT
  18 typedef unsigned long long pte_basic_t;
  19 #define PTE_SHIFT       (PAGE_SHIFT - 3)        /* 512 ptes per page */
  20 #else
  21 typedef unsigned long pte_basic_t;
  22 #define PTE_SHIFT       (PAGE_SHIFT - 2)        /* 1024 ptes per page */
  23 #endif
  24
  25 struct page;
  26 extern void clear_pages(void *page, int order);
  27 static inline void clear_page(void *page) { clear_pages(page, 0); }
  28 extern void copy_page(void *to, void *from);
  29
  30 #include <asm-generic/page.h>
  31
  32 #endif /* __ASSEMBLY__ */
  33
  34 #endif /* _ASM_POWERPC_PAGE_32_H */