ARC: mm: use SCRATCH_DATA0 register for caching pgdir in ARCv2 only

[linux-2.6-microblaze.git] / arch / arc / include / asm / mmu_context.h

diff --git a/arch/arc/include/asm/mmu_context.h b/arch/arc/include/asm/mmu_context.h
index df16406..49318a1 100644 (file)
--- a/arch/arc/include/asm/mmu_context.h
+++ b/arch/arc/include/asm/mmu_context.h
@@ -146,7 +146,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
         */
        cpumask_set_cpu(cpu, mm_cpumask(next));
 
-#ifdef ARC_USE_SCRATCH_REG
+#ifdef CONFIG_ISA_ARCV2
        /* PGD cached in MMU reg to avoid 3 mem lookups: task->mm->pgd */
        write_aux_reg(ARC_REG_SCRATCH_DATA0, next->pgd);
 #endif