While cgroup subsystems can't be modules, blkcg supports dynamically loadable policies which interact with cgroup core. Export cgrp_dfl_root so that cgroup_on_dfl() can be used in those modules.
Signed-off-by: Tejun Heo <[email protected]> Cc: Li Zefan <[email protected]> Cc: Johannes Weiner <[email protected]> --- kernel/cgroup.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 1276569..9c8eb17 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -145,6 +145,7 @@ static const char *cgroup_subsys_name[] = { * part of that cgroup. */ struct cgroup_root cgrp_dfl_root; +EXPORT_SYMBOL_GPL(cgrp_dfl_root); /* * The default hierarchy always exists but is hidden until mounted for the -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

