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Subject[PATCH] cgroup: remove for_each_e_css
Date
After commit 37ff9f8f4742 ("cgroup: make cgroup[_taskset]_migrate()
take cgroup_r', No one use this macro.
So it'e better to remove.

Signed-off-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: cgroups@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
kernel/cgroup/cgroup.c | 15 ---------------
1 file changed, 15 deletions(-)

diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 735af8f15f95..7d916ad33e59 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -663,21 +663,6 @@ struct cgroup_subsys_state *of_css(struct kernfs_open_file *of)
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
* @ssid: the index of @ss, CGROUP_SUBSYS_COUNT after reaching the end
--
1.8.3.1
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