cgroup: refactor allow_attach handler for 4.4
Refactor *allow_attach() handler to align it with the changes
from mainline commit 1f7dd3e5a6e4 "cgroup: fix handling of
multi-destination migration from subtree_control enabling".
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 19c1947..d7274aa 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -4834,10 +4834,9 @@
return ret;
}
-static int mem_cgroup_allow_attach(struct cgroup_subsys_state *css,
- struct cgroup_taskset *tset)
+static int mem_cgroup_allow_attach(struct cgroup_taskset *tset)
{
- return subsys_cgroup_allow_attach(css, tset);
+ return subsys_cgroup_allow_attach(tset);
}
static void mem_cgroup_cancel_attach(struct cgroup_taskset *tset)
@@ -4995,8 +4994,7 @@
{
return 0;
}
-static int mem_cgroup_allow_attach(struct cgroup_subsys_state *css,
- struct cgroup_taskset *tset)
+static int mem_cgroup_allow_attach(struct cgroup_taskset *tset)
{
return 0;
}