include/asm-powerpc/page_32.h

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