Messages in this thread Patch in this message | | | From | Tejun Heo <> | Subject | [PATCH 1/4] cgroup: fix incorrect destination cgroup in cgroup_update_dfl_csses() | Date | Thu, 3 Mar 2016 12:19:59 -0500 |
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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> --- kernel/cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index c63fce0..50879aa 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); -- 2.5.0
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