tile: replace mm->cpu_vm_mask with mm_cpumask()

We plan to change mm->cpu_vm_mask definition later. Thus, this patch convert
it into proper macro.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>

arch/tile/include/asm/mmu_context.h

@@ -100,8 +100,8 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
 		__get_cpu_var(current_asid) = asid;
 
 		/* Clear cpu from the old mm, and set it in the new one. */
-		cpumask_clear_cpu(cpu, &prev->cpu_vm_mask);
-		cpumask_set_cpu(cpu, &next->cpu_vm_mask);
+		cpumask_clear_cpu(cpu, mm_cpumask(prev));
+		cpumask_set_cpu(cpu, mm_cpumask(next));
 
 		/* Re-load page tables */
 		install_page_table(next->pgd, asid);

arch/tile/kernel/tlb.c

@@ -34,13 +34,13 @@ void flush_tlb_mm(struct mm_struct *mm)
 {
 	HV_Remote_ASID asids[NR_CPUS];
 	int i = 0, cpu;
-	for_each_cpu(cpu, &mm->cpu_vm_mask) {
+	for_each_cpu(cpu, mm_cpumask(mm)) {
 		HV_Remote_ASID *asid = &asids[i++];
 		asid->y = cpu / smp_topology.width;
 		asid->x = cpu % smp_topology.width;
 		asid->asid = per_cpu(current_asid, cpu);
 	}
-	flush_remote(0, HV_FLUSH_EVICT_L1I, &mm->cpu_vm_mask,
+	flush_remote(0, HV_FLUSH_EVICT_L1I, mm_cpumask(mm),
 		     0, 0, 0, NULL, asids, i);
 }
 
@@ -54,8 +54,8 @@ void flush_tlb_page_mm(const struct vm_area_struct *vma, struct mm_struct *mm,
 {
 	unsigned long size = hv_page_size(vma);
 	int cache = (vma->vm_flags & VM_EXEC) ? HV_FLUSH_EVICT_L1I : 0;
-	flush_remote(0, cache, &mm->cpu_vm_mask,
-		     va, size, size, &mm->cpu_vm_mask, NULL, 0);
+	flush_remote(0, cache, mm_cpumask(mm),
+		     va, size, size, mm_cpumask(mm), NULL, 0);
 }
 
 void flush_tlb_page(const struct vm_area_struct *vma, unsigned long va)
@@ -70,8 +70,8 @@ void flush_tlb_range(const struct vm_area_struct *vma,
 	unsigned long size = hv_page_size(vma);
 	struct mm_struct *mm = vma->vm_mm;
 	int cache = (vma->vm_flags & VM_EXEC) ? HV_FLUSH_EVICT_L1I : 0;
-	flush_remote(0, cache, &mm->cpu_vm_mask, start, end - start, size,
-		     &mm->cpu_vm_mask, NULL, 0);
+	flush_remote(0, cache, mm_cpumask(mm), start, end - start, size,
+		     mm_cpumask(mm), NULL, 0);
 }
 
 void flush_tlb_all(void)