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-rw-r--r--arch/powerpc/kernel/smp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 893bd7f79be6..573fb3a461b5 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -707,7 +707,7 @@ void start_secondary(void *unused)
unsigned int cpu = smp_processor_id();
int i, base;
- atomic_inc(&init_mm.mm_count);
+ mmgrab(&init_mm);
current->active_mm = &init_mm;
smp_store_cpu_info(cpu);