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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