[MIPS] Kill num_online_cpus() loops.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 21 insertions, 12 deletions

diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 481ba5355dcb..5ca3809a1b45 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -375,10 +375,13 @@ void flush_tlb_mm(struct mm_struct *mm)
         if ((atomic_read(&mm->mm_users) != 1) || (current->mm != mm)) {
                 smp_on_other_tlbs(flush_tlb_mm_ipi, (void *)mm);
         } else {
-                int i;
-                for (i = 0; i < num_online_cpus(); i++)
-                        if (smp_processor_id() != i)
-                                cpu_context(i, mm) = 0;
+                cpumask_t mask = cpu_online_map;
+                unsigned int cpu;
+
+                cpu_clear(smp_processor_id(), mask);
+                for_each_online_cpu(cpu)
+                        if (cpu_context(cpu, mm))
+                                cpu_context(cpu, mm) = 0;
         }
         local_flush_tlb_mm(mm);
 
@@ -411,10 +414,13 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned l
                 fd.addr2 = end;
                 smp_on_other_tlbs(flush_tlb_range_ipi, (void *)&fd);
         } else {
-                int i;
-                for (i = 0; i < num_online_cpus(); i++)
-                        if (smp_processor_id() != i)
-                                cpu_context(i, mm) = 0;
+                cpumask_t mask = cpu_online_map;
+                unsigned int cpu;
+
+                cpu_clear(smp_processor_id(), mask);
+                for_each_online_cpu(cpu)
+                        if (cpu_context(cpu, mm))
+                                cpu_context(cpu, mm) = 0;
         }
         local_flush_tlb_range(vma, start, end);
         preempt_enable();
@@ -453,10 +459,13 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
                 fd.addr1 = page;
                 smp_on_other_tlbs(flush_tlb_page_ipi, (void *)&fd);
         } else {
-                int i;
-                for (i = 0; i < num_online_cpus(); i++)
-                        if (smp_processor_id() != i)
-                                cpu_context(i, vma->vm_mm) = 0;
+                cpumask_t mask = cpu_online_map;
+                unsigned int cpu;
+
+                cpu_clear(smp_processor_id(), mask);
+                for_each_online_cpu(cpu)
+                        if (cpu_context(cpu, vma->vm_mm))
+                                cpu_context(cpu, vma->vm_mm) = 0;
         }
         local_flush_tlb_page(vma, page);
         preempt_enable();