Re: [v7 PATCH 06/12] mm: vmscan: add shrinker_info_protected() helper
From: Vlastimil Babka
Date: Wed Feb 10 2021 - 13:29:45 EST
On 2/9/21 6:46 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 patch
> will add more dereference places.
>
> So extract the dereference into a helper to make the code more readable. No
> functional change.
>
> Signed-off-by: Yang Shi <shy828301@xxxxxxxxx>
Acked-by: Vlastimil Babka <vbabka@xxxxxxx>