1 #ifndef _ASM_POWERPC_PAGE_32_H
2 #define _ASM_POWERPC_PAGE_32_H
4 #define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32
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.
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 #define PTE_FMT "%16Lx"
18 typedef unsigned long pte_basic_t;
19 #define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */
20 #define PTE_FMT "%.8lx"
24 extern void clear_pages(void *page, int order);
25 static inline void clear_page(void *page) { clear_pages(page, 0); }
26 extern void copy_page(void *to, void *from);
28 /* Pure 2^n version of get_order */
29 extern __inline__ int get_order(unsigned long size)
33 size = (size-1) >> PAGE_SHIFT;
34 asm ("cntlzw %0,%1" : "=r" (lz) : "r" (size));
38 #endif /* __ASSEMBLY__ */
40 #endif /* _ASM_POWERPC_PAGE_32_H */