unsigned long proc_flags;
int gotten;
- mf_cpu = &__get_cpu_var(memory_failure_cpu);
+ mf_cpu = this_cpu_ptr(&memory_failure_cpu);
for (;;) {
spin_lock_irqsave(&mf_cpu->lock, proc_flags);
gotten = kfifo_get(&mf_cpu->fifo, &entry);
}
}
- /*
- * The lock_memory_hotplug prevents a race with memory hotplug.
- * This is a big hammer, a better would be nicer.
- */
- lock_memory_hotplug();
+ get_online_mems();
/*
* Isolate the page, so that it doesn't get reallocated if it
set_migratetype_isolate(page, true);
ret = get_any_page(page, pfn, flags);
- unlock_memory_hotplug();
+ put_online_mems();
if (ret > 0) { /* for in-use pages */
if (PageHuge(page))
ret = soft_offline_huge_page(page, flags);