Commit 0a263975 authored Jun 19, 2024 by Lu Jialin

memcg: attach memcg async reclaim worker to curcpu

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I9PXW6



--------------------------------

Attach memcg async relcaim worker to a curcpu, which will make sure
memcg async reclaim worker will be scheduled among the cpumask belong
to the current's cpuset.

Signed-off-by: Lu Jialin <lujialin4@huawei.com>

parent acc28460

mm/memcontrol.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -2844,6 +2844,12 @@ static int try_charge(struct mem_cgroup *memcg, gfp_t gfp_mask,
		#ifdef CONFIG_MEMCG_V1_THRESHOLD_QOS
		if (is_high_async_reclaim(memcg) && !mem_high) {
		WRITE_ONCE(memcg->high_async_reclaim, true);
		#ifdef CONFIG_MEMCG_SWAP_QOS
		if (static_branch_likely(&memcg_swap_qos_key))
		schedule_work_on(smp_processor_id(),
		&memcg->high_work);
		else
		#endif
		schedule_work(&memcg->high_work);
		break;
		}