On Mon, Dec 03, 2012 at 09:28:18AM +0800, Gao feng wrote: > cgroup_clear_directroy is called by cgroup_d_remove_dir > and cgroup_remount. > > when we call cgroup_remount to remount the cgroup,the subsystem > may be unlinked from cgroupfs_root->subsys_list in rebind_subsystem,this > subsystem's files will not be removed in cgroup_clear_directroy. > And the system will panic when we try to access these files. > > this patch removes subsystems's files before rebind_subsystems, > if rebind_subsystems failed, repopulate these removed files. > > With help from Tejun. > > Signed-off-by: Gao feng <gaofeng@xxxxxxxxxxxxxx> Applied to cgroup/for-3.8 with spaces added after commas. Thanks! -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
