}
}
}
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
+#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
}
#endif
}
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
+#define set_pte_at(mm, addr, ptep, pteval) set_pte(ptep, pteval)
static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
{
#define set_pud(pudptr, pudval) do { *(pudptr) = (pudval); } while(0)
#endif
-#define PGD_T_LOG2 ffz(~sizeof(pgd_t))
-#define PMD_T_LOG2 ffz(~sizeof(pmd_t))
-#define PTE_T_LOG2 ffz(~sizeof(pte_t))
+#define PGD_T_LOG2 (__builtin_ffs(sizeof(pgd_t)) - 1)
+#define PMD_T_LOG2 (__builtin_ffs(sizeof(pmd_t)) - 1)
+#define PTE_T_LOG2 (__builtin_ffs(sizeof(pte_t)) - 1)
-extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
+/*
+ * We used to declare this array with size but gcc 3.3 and older are not able
+ * to find that this expression is a constant, so the size is dropped.
+ */
+extern pgd_t swapper_pg_dir[];
/*
* The following only work if pte_present() is true.