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From:   Miaohe Lin <linmiaohe@huawei.com>
To:     <lizefan.x@bytedance.com>, <tj@kernel.org>, <hannes@cmpxchg.org>
CC:     <cgroups@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linmiaohe@huawei.com>
Subject: [PATCH] cgroup: remove unused macro for_each_e_css()
Date:   Sat, 27 May 2023 17:33:53 +0800
Message-ID: <20230527093353.153078-1-linmiaohe@huawei.com>
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Precedence: bulk

for_each_e_css() is unused now. Remove it.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 kernel/cgroup/cgroup.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 625d7483951c..413b4f1f1b70 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -689,21 +689,6 @@ EXPORT_SYMBOL_GPL(of_css);
 				lockdep_is_held(&cgroup_mutex)))) { }	\
 		else
 
-/**
- * for_each_e_css - iterate all effective css's of a cgroup
- * @css: the iteration cursor
- * @ssid: the index of the subsystem, CGROUP_SUBSYS_COUNT after reaching the end
- * @cgrp: the target cgroup to iterate css's of
- *
- * Should be called under cgroup_[tree_]mutex.
- */
-#define for_each_e_css(css, ssid, cgrp)					    \
-	for ((ssid) = 0; (ssid) < CGROUP_SUBSYS_COUNT; (ssid)++)	    \
-		if (!((css) = cgroup_e_css_by_mask(cgrp,		    \
-						   cgroup_subsys[(ssid)]))) \
-			;						    \
-		else
-
 /**
  * do_each_subsys_mask - filter for_each_subsys with a bitmask
  * @ss: the iteration cursor
-- 
2.27.0