[Devel] [PATCH RHEL v22 04/14] cgroup: exported __put_css_set and wrappers to cgroup.h
Valeriy Vdovin
valeriy.vdovin at virtuozzo.com
Fri Jul 31 15:54:22 MSK 2020
Signed-off-by: Valeriy Vdovin <valeriy.vdovin at virtuozzo.com>
Reviewed-by: Kirill Tkhai <ktkhai at virtuozzo.com>
---
include/linux/cgroup.h | 20 ++++++++++++++++++++
kernel/cgroup.c | 20 +-------------------
2 files changed, 21 insertions(+), 19 deletions(-)
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index b25d0e18..ac60aaed 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -478,6 +478,26 @@ struct css_set {
};
/*
+ * refcounted get/put for css_set objects
+ */
+extern void __put_css_set(struct css_set *cg, int taskexit);
+
+static inline void get_css_set(struct css_set *cg)
+{
+ atomic_inc(&cg->refcount);
+}
+
+static inline void put_css_set(struct css_set *cg)
+{
+ __put_css_set(cg, 0);
+}
+
+static inline void put_css_set_taskexit(struct css_set *cg)
+{
+ __put_css_set(cg, 1);
+}
+
+/*
* cgroup_map_cb is an abstract callback API for reporting map-valued
* control files
*/
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index a91dd5f..ce576c5 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -335,7 +335,7 @@ static unsigned long css_set_hash(struct cgroup_subsys_state *css[])
* compiled into their kernel but not actually in use */
static int use_task_css_set_links __read_mostly;
-static void __put_css_set(struct css_set *cg, int taskexit)
+void __put_css_set(struct css_set *cg, int taskexit)
{
struct cg_cgroup_link *link;
struct cg_cgroup_link *saved_link;
@@ -384,24 +384,6 @@ static void __put_css_set(struct css_set *cg, int taskexit)
}
/*
- * refcounted get/put for css_set objects
- */
-static inline void get_css_set(struct css_set *cg)
-{
- atomic_inc(&cg->refcount);
-}
-
-static inline void put_css_set(struct css_set *cg)
-{
- __put_css_set(cg, 0);
-}
-
-static inline void put_css_set_taskexit(struct css_set *cg)
-{
- __put_css_set(cg, 1);
-}
-
-/*
* compare_css_sets - helper function for find_existing_css_set().
* @cg: candidate css_set being tested
* @old_cg: existing css_set for a task
--
1.8.3.1
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