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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /fs/proc/array.c
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'fs/proc/array.c')
-rw-r--r--fs/proc/array.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c
index fd02a9ebf..ce065cf31 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -126,6 +126,14 @@ static inline const char *get_task_state(struct task_struct *tsk)
{
unsigned int state = (tsk->state | tsk->exit_state) & TASK_REPORT;
+ /*
+ * Parked tasks do not run; they sit in __kthread_parkme().
+ * Without this check, we would report them as running, which is
+ * clearly wrong, so we report them as sleeping instead.
+ */
+ if (tsk->state == TASK_PARKED)
+ state = TASK_INTERRUPTIBLE;
+
BUILD_BUG_ON(1 + ilog2(TASK_REPORT) != ARRAY_SIZE(task_state_array)-1);
return task_state_array[fls(state)];
@@ -569,7 +577,7 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns,
return 0;
}
-#ifdef CONFIG_CHECKPOINT_RESTORE
+#ifdef CONFIG_PROC_CHILDREN
static struct pid *
get_children_pid(struct inode *inode, struct pid *pid_prev, loff_t pos)
{
@@ -692,4 +700,4 @@ const struct file_operations proc_tid_children_operations = {
.llseek = seq_lseek,
.release = children_seq_release,
};
-#endif /* CONFIG_CHECKPOINT_RESTORE */
+#endif /* CONFIG_PROC_CHILDREN */