diff options
Diffstat (limited to 'include/asm-mips/pgtable.h')
| -rw-r--r-- | include/asm-mips/pgtable.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h index 2e2d70d13ff..17a7703a296 100644 --- a/include/asm-mips/pgtable.h +++ b/include/asm-mips/pgtable.h @@ -103,7 +103,7 @@ static inline void set_pte(pte_t *ptep, pte_t pte) } } } -#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) { @@ -140,7 +140,7 @@ static inline void set_pte(pte_t *ptep, pte_t pteval) } #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) { @@ -168,11 +168,15 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt #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. |