From: Hao Jia <jiahao.os@bytedance.com>
Date: Sat, 6 Aug 2022 12:05:10 +0000 (+0800)
Subject: sched/psi: Remove redundant cgroup_psi() when !CONFIG_CGROUPS
X-Git-Tag: v6.0-rc3~25^2~3
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=d7ae5818c3fa3007dee13f9d99832e7f26b8bc44;p=linux-block.git

sched/psi: Remove redundant cgroup_psi() when !CONFIG_CGROUPS

cgroup_psi() is only called under CONFIG_CGROUPS.
We don't need cgroup_psi() when !CONFIG_CGROUPS,
so we can remove it in this case.

Signed-off-by: Hao Jia <jiahao.os@bytedance.com>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
---

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index ed53bfe7c46c..ac5d0515680e 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -734,11 +734,6 @@ static inline struct cgroup *cgroup_parent(struct cgroup *cgrp)
 	return NULL;
 }
 
-static inline struct psi_group *cgroup_psi(struct cgroup *cgrp)
-{
-	return NULL;
-}
-
 static inline bool cgroup_psi_enabled(void)
 {
 	return false;