1 files changed, 31 insertions, 0 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index f2637c972160..8281986693be 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -404,6 +404,37 @@ static const struct file_operations proc_lstats_operations = {
 
 #endif
 
+#ifdef CONFIG_CGROUPS
+static int cgroup_open(struct inode *inode, struct file *file)
+{
+        struct pid *pid = PROC_I(inode)->pid;
+        return single_open(file, proc_cgroup_show, pid);
+}
+
+static const struct file_operations proc_cgroup_operations = {
+        .open           = cgroup_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+#endif
+
+#ifdef CONFIG_PROC_PID_CPUSET
+
+static int cpuset_open(struct inode *inode, struct file *file)
+{
+        struct pid *pid = PROC_I(inode)->pid;
+        return single_open(file, proc_cpuset_show, pid);
+}
+
+static const struct file_operations proc_cpuset_operations = {
+        .open           = cpuset_open,
+        .read           = seq_read,
+        .llseek         = seq_lseek,
+        .release        = single_release,
+};
+#endif
+
 static int proc_oom_score(struct task_struct *task, char *buffer)
 {
         unsigned long totalpages = totalram_pages + total_swap_pages;