{
int seg;
int old, new;
+ unsigned long flags;
int bin = get_random_u32_below(MEMCG_NR_BINS);
struct pglist_data *pgdat = lruvec_pgdat(lruvec);
- spin_lock(&pgdat->memcg_lru.lock);
+ spin_lock_irqsave(&pgdat->memcg_lru.lock, flags);
VM_WARN_ON_ONCE(hlist_nulls_unhashed(&lruvec->lrugen.list));
if (!pgdat->memcg_lru.nr_memcgs[old] && old == get_memcg_gen(pgdat->memcg_lru.seq))
WRITE_ONCE(pgdat->memcg_lru.seq, pgdat->memcg_lru.seq + 1);
- spin_unlock(&pgdat->memcg_lru.lock);
+ spin_unlock_irqrestore(&pgdat->memcg_lru.lock, flags);
}
void lru_gen_online_memcg(struct mem_cgroup *memcg)
struct pglist_data *pgdat = NODE_DATA(nid);
struct lruvec *lruvec = get_lruvec(memcg, nid);
- spin_lock(&pgdat->memcg_lru.lock);
+ spin_lock_irq(&pgdat->memcg_lru.lock);
VM_WARN_ON_ONCE(!hlist_nulls_unhashed(&lruvec->lrugen.list));
lruvec->lrugen.gen = gen;
- spin_unlock(&pgdat->memcg_lru.lock);
+ spin_unlock_irq(&pgdat->memcg_lru.lock);
}
}
struct pglist_data *pgdat = NODE_DATA(nid);
struct lruvec *lruvec = get_lruvec(memcg, nid);
- spin_lock(&pgdat->memcg_lru.lock);
+ spin_lock_irq(&pgdat->memcg_lru.lock);
VM_WARN_ON_ONCE(hlist_nulls_unhashed(&lruvec->lrugen.list));
if (!pgdat->memcg_lru.nr_memcgs[gen] && gen == get_memcg_gen(pgdat->memcg_lru.seq))
WRITE_ONCE(pgdat->memcg_lru.seq, pgdat->memcg_lru.seq + 1);
- spin_unlock(&pgdat->memcg_lru.lock);
+ spin_unlock_irq(&pgdat->memcg_lru.lock);
}
}