[PATCH 12/13] cpumask: use mm_cpumask() wrapper: um

[Rusty Russell]

Makes code futureproof against the impending change to mm->cpu_vm_mask.

It's also a chance to use the new cpumask_ ops which take a pointer
(the older ones are deprecated, but there's no hurry for arch code).

Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
---
 arch/um/include/asm/mmu_context.h |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/um/include/asm/mmu_context.h b/arch/um/include/asm/mmu_context.h
--- a/arch/um/include/asm/mmu_context.h
+++ b/arch/um/include/asm/mmu_context.h
@@ -35,8 +35,8 @@ static inline void switch_mm(struct mm_s
 	unsigned cpu = smp_processor_id();
 
 	if(prev != next){
-		cpu_clear(cpu, prev->cpu_vm_mask);
-		cpu_set(cpu, next->cpu_vm_mask);
+		cpumask_clear(cpu, mm_cpumask(prev));
+		cpumask_set_cpu(cpu, mm_cpumask(next));
 		if(next != &init_mm)
 			__switch_mm(&next->context.id);
 	}

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