powerpc/mm: Define radix_enabled() in one place & use static inline

[cascardo/linux.git] / arch / powerpc / include / asm / mmu.h

diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index eb942a4..f413b32 100644 (file)
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -163,6 +163,18 @@ static inline void assert_pte_locked(struct mm_struct *mm, unsigned long addr)
 }
 #endif /* !CONFIG_DEBUG_VM */
 
+#ifdef CONFIG_PPC_RADIX_MMU
+static inline bool radix_enabled(void)
+{
+       return mmu_has_feature(MMU_FTR_TYPE_RADIX);
+}
+#else
+static inline bool radix_enabled(void)
+{
+       return false;
+}
+#endif
+
 #endif /* !__ASSEMBLY__ */
 
 /* The kernel use the constants below to index in the page sizes array.
@@ -230,9 +242,5 @@ static inline void mmu_early_init_devtree(void) { }
 #  include <asm/mmu-8xx.h>
 #endif
 
-#ifndef radix_enabled
-#define radix_enabled() (0)
-#endif
-
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_MMU_H_ */