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

[Shakeel Butt]

On Tue, Feb 16, 2021 at 4:13 PM Yang Shi <shy828301@xxxxxxxxx> 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 patch
> will add more dereference places.
>
> So extract the dereference into a helper to make the code more readable.  No
> functional change.
>
> Acked-by: Roman Gushchin <guro@xxxxxx>
> Acked-by: Kirill Tkhai <ktkhai@xxxxxxxxxxxxx>
> Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
> Signed-off-by: Yang Shi <shy828301@xxxxxxxxx>

Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>