gistfile1.txt

diff --git a/fs/proc/array.c b/fs/proc/array.c
index 25b1ebc..b2d8d56 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -155,11 +155,33 @@ static inline const char *get_task_state(struct task_struct *tsk)
        return *p;
 }
 
+static int count_open_files(struct fdtable *fdt)
+{
+        int size;
+        int i = 0, count = 0;
+
+
+       if (!fdt) {
+               return 0;
+       }
+
+       size = fdt->max_fds;
+
+       while(i <= size) {
+               if(fdt->fd[i] != NULL)  
+                       count++; 
+
+               i++;
+        }
+
+        return count; 
+}
+
 static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
                                struct pid *pid, struct task_struct *p)
 {
        struct group_info *group_info;
-       int g;
+       int g, fdcount;
        struct fdtable *fdt = NULL;
        const struct cred *cred;
        pid_t ppid, tpid;
@@ -192,14 +214,22 @@ static inline void task_state(struct seq_file *m, struct pid_namespace *ns,
        task_utrace_proc_status(m, p);
 
        task_lock(p);
-       if (p->files)
+       if (p->files) {
+               spin_lock(&p->files->file_lock);
+
                fdt = files_fdtable(p->files);
+               fdcount = count_open_files(fdt); 
+
+               spin_unlock(&p->files->file_lock); 
+       }
+
        seq_printf(m,
                "FDSize:\t%d\n"
+               "FDCount:\t%d\n"
                "Groups:\t",
-               fdt ? fdt->max_fds : 0);
-       rcu_read_unlock();
+               fdt ? fdt->max_fds : 0, fdcount);
 
+       rcu_read_unlock();
        group_info = cred->group_info;
        task_unlock(p);