mm: add new mmgrab() helper

[linux-block.git] / arch / mips / kernel / traps.c

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index cb479be31a500cec8827cbdfaf5e78da070bd416..49c6df20672a9dca6575cd0771bf72867ddfd869 100644 (file)
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2232,7 +2232,7 @@ void per_cpu_trap_init(bool is_boot_cpu)
        if (!cpu_data[cpu].asid_cache)
                cpu_data[cpu].asid_cache = asid_first_version(cpu);
 
-       atomic_inc(&init_mm.mm_count);
+       mmgrab(&init_mm);
        current->active_mm = &init_mm;
        BUG_ON(current->mm);
        enter_lazy_tlb(&init_mm, current);