#define is_kernel_addr(x) ((x) >= PAGE_OFFSET)
#endif
+#ifndef CONFIG_PPC_BOOK3S_64
/*
* Use the top bit of the higher-level page table entries to indicate whether
* the entries we point to contain hugepages. This works because we know that
#else
#define PD_HUGE 0x80000000
#endif
+#endif /* CONFIG_PPC_BOOK3S_64 */
/*
* Some number of bits at the level of the page table that points to
typedef struct { signed long pd; } hugepd_t;
#ifdef CONFIG_HUGETLB_PAGE
+#ifdef CONFIG_PPC_BOOK3S_64
+static inline int hugepd_ok(hugepd_t hpd)
+{
+ /*
+ * hugepd pointer, bottom two bits == 00 and next 4 bits
+ * indicate size of table
+ */
+ return (((hpd.pd & 0x3) == 0x0) && ((hpd.pd & HUGEPD_SHIFT_MASK) != 0));
+}
+#else
static inline int hugepd_ok(hugepd_t hpd)
{
return (hpd.pd > 0);
}
+#endif
#define is_hugepd(pdep) (hugepd_ok(*((hugepd_t *)(pdep))))
+int pgd_huge(pgd_t pgd);
#else /* CONFIG_HUGETLB_PAGE */
#define is_hugepd(pdep) 0
+#define pgd_huge(pgd) 0
#endif /* CONFIG_HUGETLB_PAGE */
struct page;
struct vm_area_struct;
+#ifdef CONFIG_PPC_64K_PAGES
+typedef pte_t *pgtable_t;
+#else
typedef struct page *pgtable_t;
+#endif
#include <asm-generic/memory_model.h>
#endif /* __ASSEMBLY__ */