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-rw-r--r--arch/powerpc/include/asm/mmu_context.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index 6b993ef452f..b570209b71a 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -180,6 +180,9 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
tsk->thread.pgdir = next->pgd;
+ if (!cpu_isset(smp_processor_id(), next->cpu_vm_mask))
+ cpu_set(smp_processor_id(), next->cpu_vm_mask);
+
/* No need to flush userspace segments if the mm doesnt change */
if (prev == next)
return;