Re: [v8 PATCH 07/13] mm: vmscan: add shrinker_info_protected() helper

On Tue, Feb 16, 2021 at 4:13 PM Yang Shi wrote: > > The shrinker_info is dereferenced in a couple of places via > rcu_dereference_protected > with different calling conventions, for example, using mem_cgroup_nodeinfo > helper > or dereferencing memcg->nodeinfo[nid]->shrinker_info. And the later

[v8 PATCH 07/13] mm: vmscan: add shrinker_info_protected() helper

The shrinker_info is dereferenced in a couple of places via rcu_dereference_protected with different calling conventions, for example, using mem_cgroup_nodeinfo helper or dereferencing memcg->nodeinfo[nid]->shrinker_info. And the later patch will add more dereference places. So extract the dere