cpumask: use mm_cpumask() wrapper: ia64

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>

diff --git a/arch/ia64/include/asm/mmu_context.h b/arch/ia64/include/asm/mmu_context.h
index 040bc87..7f2a456 100644 (file)
--- a/arch/ia64/include/asm/mmu_context.h
+++ b/arch/ia64/include/asm/mmu_context.h
@@ -87,7 +87,7 @@ get_mmu_context (struct mm_struct *mm)
        /* re-check, now that we've got the lock: */
        context = mm->context;
        if (context == 0) {
-               cpus_clear(mm->cpu_vm_mask);
+               cpumask_clear(mm_cpumask(mm));
                if (ia64_ctx.next >= ia64_ctx.limit) {
                        ia64_ctx.next = find_next_zero_bit(ia64_ctx.bitmap,
                                        ia64_ctx.max_ctx, ia64_ctx.next);
@@ -166,8 +166,8 @@ activate_context (struct mm_struct *mm)
 
        do {
                context = get_mmu_context(mm);
-               if (!cpu_isset(smp_processor_id(), mm->cpu_vm_mask))
-                       cpu_set(smp_processor_id(), mm->cpu_vm_mask);
+               if (!cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm)))
+                       cpumask_set_cpu(smp_processor_id(), mm_cpumask(mm));
                reload_context(context);
                /*
                 * in the unlikely event of a TLB-flush by another thread,

diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index bd9818a..b9f3d7b 100644 (file)
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -309,7 +309,7 @@ flush_tlb_range (struct vm_area_struct *vma, unsigned long start,
 
        preempt_disable();
 #ifdef CONFIG_SMP
-       if (mm != current->active_mm || cpus_weight(mm->cpu_vm_mask) != 1) {
+       if (mm != current->active_mm || cpumask_weight(mm_cpumask(mm)) != 1) {
                platform_global_tlb_purge(mm, start, end, nbits);
                preempt_enable();
                return;

diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c
index 209e1eb..3c2f242 100644 (file)
--- a/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -133,7 +133,7 @@ sn2_ipi_flush_all_tlb(struct mm_struct *mm)
        unsigned long itc;
 
        itc = ia64_get_itc();
-       smp_flush_tlb_cpumask(mm->cpu_vm_mask);
+       smp_flush_tlb_cpumask(*mm_cpumask(mm));
        itc = ia64_get_itc() - itc;
        __get_cpu_var(ptcstats).shub_ipi_flushes_itc_clocks += itc;
        __get_cpu_var(ptcstats).shub_ipi_flushes++;
@@ -182,7 +182,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
        nodes_clear(nodes_flushed);
        i = 0;
 
-       for_each_cpu_mask(cpu, mm->cpu_vm_mask) {
+       for_each_cpu(cpu, mm_cpumask(mm)) {
                cnode = cpu_to_node(cpu);
                node_set(cnode, nodes_flushed);
                lcpu = cpu;