X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Finclude%2Flinux%2Fmemcontrol.h;fp=kernel%2Finclude%2Flinux%2Fmemcontrol.h;h=435fd8426b8acf81967e75af13027cca14a1ea6d;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=cd0e2413c358d4cf58072ebbdc2cfea2684fd245;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/include/linux/memcontrol.h b/kernel/include/linux/memcontrol.h
index cd0e2413c..435fd8426 100644
--- a/kernel/include/linux/memcontrol.h
+++ b/kernel/include/linux/memcontrol.h
@@ -174,6 +174,11 @@ struct mem_cgroup_thresholds {
 	struct mem_cgroup_threshold_ary *spare;
 };
 
+struct mem_cgroup_id {
+	int id;
+	atomic_t ref;
+};
+
 /*
  * The memory controller data structure. The memory controller controls both
  * page cache and RSS per cgroup. We would eventually like to provide
@@ -183,6 +188,9 @@ struct mem_cgroup_thresholds {
 struct mem_cgroup {
 	struct cgroup_subsys_state css;
 
+	/* Private memcg ID. Used to ID objects that outlive the cgroup */
+	struct mem_cgroup_id id;
+
 	/* Accounted resources */
 	struct page_counter memory;
 	struct page_counter memsw;