memrlimit: cgroup mm owner callback changes to add task info
[linux-2.6.git] / kernel / cgroup.c
index a0123d7..8c6e1c1 100644 (file)
@@ -2735,6 +2735,8 @@ void cgroup_fork_callbacks(struct task_struct *child)
  * Called on every change to mm->owner. mm_init_owner() does not
  * invoke this routine, since it assigns the mm->owner the first time
  * and does not change it.
+ *
+ * The callbacks are invoked with mmap_sem held in read mode.
  */
 void cgroup_mm_owner_callbacks(struct task_struct *old, struct task_struct *new)
 {
@@ -2750,7 +2752,7 @@ void cgroup_mm_owner_callbacks(struct task_struct *old, struct task_struct *new)
                        if (oldcgrp == newcgrp)
                                continue;
                        if (ss->mm_owner_changed)
-                               ss->mm_owner_changed(ss, oldcgrp, newcgrp);
+                               ss->mm_owner_changed(ss, oldcgrp, newcgrp, new);
                }
        }
 }