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authorTejun Heo <tj@kernel.org>2014-04-23 19:13:16 +0400
committerTejun Heo <tj@kernel.org>2014-04-23 19:13:16 +0400
commit6803c006282768ec850760766a6e4eb1a6ff87df (patch)
treee06bc433865262b4943d3e06e8f3530d34c509bc /include
parentbd53d617b34c781dac8e22dbc75e8f182d918ecf (diff)
downloadlinux-6803c006282768ec850760766a6e4eb1a6ff87df.tar.xz
cgroup: add css_set->dfl_cgrp
To implement the unified hierarchy behavior, we'll need to be able to determine the associated cgroup on the default hierarchy from css_set. Let's add css_set->dfl_cgrp so that it can be accessed conveniently and efficiently. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Li Zefan <lizefan@huawei.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/cgroup.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 18fcae39e63e..c49d161a71cd 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -354,6 +354,9 @@ struct css_set {
*/
struct list_head cgrp_links;
+ /* the default cgroup associated with this css_set */
+ struct cgroup *dfl_cgrp;
+
/*
* Set of subsystem states, one for each subsystem. This array is
* immutable after creation apart from the init_css_set during