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-rw-r--r--kernel/sched_autogroup.h26
1 files changed, 24 insertions, 2 deletions
diff --git a/kernel/sched_autogroup.h b/kernel/sched_autogroup.h
index c2f0e72..8bd0471 100644
--- a/kernel/sched_autogroup.h
+++ b/kernel/sched_autogroup.h
@@ -1,5 +1,8 @@
#ifdef CONFIG_SCHED_AUTOGROUP
+#include <linux/kref.h>
+#include <linux/rwsem.h>
+
struct autogroup {
/*
* reference doesn't mean how many thread attach to this
@@ -13,9 +16,28 @@ struct autogroup {
int nice;
};
-static inline bool task_group_is_autogroup(struct task_group *tg);
+extern void autogroup_init(struct task_struct *init_task);
+extern void autogroup_free(struct task_group *tg);
+
+static inline bool task_group_is_autogroup(struct task_group *tg)
+{
+ return !!tg->autogroup;
+}
+
+extern bool task_wants_autogroup(struct task_struct *p, struct task_group *tg);
+
static inline struct task_group *
-autogroup_task_group(struct task_struct *p, struct task_group *tg);
+autogroup_task_group(struct task_struct *p, struct task_group *tg)
+{
+ int enabled = ACCESS_ONCE(sysctl_sched_autogroup_enabled);
+
+ if (enabled && task_wants_autogroup(p, tg))
+ return p->signal->autogroup->tg;
+
+ return tg;
+}
+
+extern int autogroup_path(struct task_group *tg, char *buf, int buflen);
#else /* !CONFIG_SCHED_AUTOGROUP */
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