memory_failure_cpu
static DEFINE_PER_CPU(struct memory_failure_cpu, memory_failure_cpu);
struct memory_failure_cpu *mf_cpu;
mf_cpu = &get_cpu_var(memory_failure_cpu);
put_cpu_var(memory_failure_cpu);
struct memory_failure_cpu *mf_cpu;
mf_cpu = container_of(work, struct memory_failure_cpu, work);
struct memory_failure_cpu *mf_cpu;
mf_cpu = &per_cpu(memory_failure_cpu, cpu);