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-rw-r--r--include/linux/sched.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index d722490da030..078066daffd4 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1532,6 +1532,8 @@ static inline pid_t task_pgrp_nr(struct task_struct *tsk)
* Test if a process is not yet dead (at most zombie state)
* If pid_alive fails, then pointers within the task structure
* can be stale and must not be dereferenced.
+ *
+ * Return: 1 if the process is alive. 0 otherwise.
*/
static inline int pid_alive(struct task_struct *p)
{
@@ -1543,6 +1545,8 @@ static inline int pid_alive(struct task_struct *p)
* @tsk: Task structure to be checked.
*
* Check if a task structure is the first user space task the kernel created.
+ *
+ * Return: 1 if the task structure is init. 0 otherwise.
*/
static inline int is_global_init(struct task_struct *tsk)
{
@@ -1894,6 +1898,8 @@ extern struct task_struct *idle_task(int cpu);
/**
* is_idle_task - is the specified task an idle task?
* @p: the task in question.
+ *
+ * Return: 1 if @p is an idle task. 0 otherwise.
*/
static inline bool is_idle_task(const struct task_struct *p)
{