current->reclaim_state = &reclaim_state;
repeat:
- for_each_pgdat(pgdat) {
+ for_each_online_pgdat(pgdat) {
unsigned long freed;
freed = balance_pgdat(pgdat, nr_to_free, 0);
cpumask_t mask;
if (action == CPU_ONLINE) {
- for_each_pgdat(pgdat) {
+ for_each_online_pgdat(pgdat) {
mask = node_to_cpumask(pgdat->node_id);
if (any_online_cpu(mask) != NR_CPUS)
/* One of our CPUs online: restore mask */
pg_data_t *pgdat;
swap_setup();
- for_each_pgdat(pgdat) {
+ for_each_online_pgdat(pgdat) {
pid_t pid;
pid = kernel_thread(kswapd, pgdat, CLONE_KERNEL);
BUG_ON(pid < 0);
+ read_lock(&tasklist_lock);
pgdat->kswapd = find_task_by_pid(pid);
+ read_unlock(&tasklist_lock);
}
total_memory = nr_free_pagecache_pages();
hotcpu_notifier(cpu_callback, 0);