On 11.02.20 06:24, Yang Shi wrote: > Use mem_cgroup_is_root() API to check if memcg is root memcg instead of > open coding. > > Signed-off-by: Yang Shi <yang.shi@xxxxxxxxxxxxxxxxx> > --- > mm/vmpressure.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/mm/vmpressure.c b/mm/vmpressure.c > index 0590f00..d69019f 100644 > --- a/mm/vmpressure.c > +++ b/mm/vmpressure.c > @@ -280,7 +280,7 @@ void vmpressure(gfp_t gfp, struct mem_cgroup *memcg, bool tree, > enum vmpressure_levels level; > > /* For now, no users for root-level efficiency */ > - if (!memcg || memcg == root_mem_cgroup) > + if (!memcg || mem_cgroup_is_root(memcg)) > return; > > spin_lock(&vmpr->sr_lock); > Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> -- Thanks, David / dhildenb