page_counter_set_max
int page_counter_set_max(struct page_counter *counter, unsigned long nr_pages);
page_counter_set_max(&pool->cnt, val);
VM_BUG_ON(page_counter_set_max(fault, limit));
VM_BUG_ON(page_counter_set_max(rsvd, limit));
ret = page_counter_set_max(
ret = page_counter_set_max(counter, max);
ret = page_counter_set_max(&memcg->tcpmem, max);
page_counter_set_max(&memcg->memory, PAGE_COUNTER_MAX);
page_counter_set_max(&memcg->swap, PAGE_COUNTER_MAX);
page_counter_set_max(&memcg->kmem, PAGE_COUNTER_MAX);
page_counter_set_max(&memcg->tcpmem, PAGE_COUNTER_MAX);