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authorTejun Heo <tj@kernel.org>2016-03-08 11:51:25 -0500
committerTejun Heo <tj@kernel.org>2016-03-08 11:51:25 -0500
commit58cdb1ceb15aab7b34719ad225ff023775d774e7 (patch)
tree82d1e2ab77163416f6eb63d2b642e88b6ad63143 /kernel/cgroup.c
parent6cc578df40bd60b791725e4451bc01f8c80abd8b (diff)
downloadlinux-sh-58cdb1ceb15aab7b34719ad225ff023775d774e7.tar.gz
cgroup: fix incorrect destination cgroup in cgroup_update_dfl_csses()
cgroup_update_dfl_csses() should move each task in the subtree to self; however, it was incorrectly calling cgroup_migrate_add_src() with the root of the subtree as @dst_cgrp. Fortunately, cgroup_migrate_add_src() currently uses @dst_cgrp only to determine the hierarchy and the bug doesn't cause any actual breakages. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/cgroup.c')
-rw-r--r--kernel/cgroup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index c63fce0c5b24..50879aadcbd0 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2901,7 +2901,7 @@ static int cgroup_update_dfl_csses(struct cgroup *cgrp)
struct cgrp_cset_link *link;
list_for_each_entry(link, &dsct->cset_links, cset_link)
- cgroup_migrate_add_src(link->cset, cgrp,
+ cgroup_migrate_add_src(link->cset, dsct,
&preloaded_csets);
}
spin_unlock_bh(&css_set_lock);