1 files changed, 3 insertions, 3 deletions

diff --git a/include/asm-mips/pgtable.h b/include/asm-mips/pgtable.h
index 2e2d70d13ff6..e2fb9dbac3fc 100644
--- a/include/asm-mips/pgtable.h
+++ b/include/asm-mips/pgtable.h
@@ -168,9 +168,9 @@ 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];