cpumask: Use mm_cpumask() wrapper instead of cpu_vm_mask

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@rustcorp.com.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index a27ded3adac5..f5c6fd42265c 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -82,11 +82,10 @@ static void pte_free_submit(struct pte_freelist_batch *batch)
 void pgtable_free_tlb(struct mmu_gather *tlb, pgtable_free_t pgf)
 {
         /* This is safe since tlb_gather_mmu has disabled preemption */
-        cpumask_t local_cpumask = cpumask_of_cpu(smp_processor_id());
         struct pte_freelist_batch **batchp = &__get_cpu_var(pte_freelist_cur);
 
         if (atomic_read(&tlb->mm->mm_users) < 2 ||
-            cpus_equal(tlb->mm->cpu_vm_mask, local_cpumask)) {
+            cpumask_equal(mm_cpumask(tlb->mm), cpumask_of(smp_processor_id()))){
                 pgtable_free(pgf);
                 return;
         }