1 files changed, 2 insertions, 20 deletions

diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 9d231e9e5f0e..bf2d03f8fd3e 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -184,29 +184,11 @@ static int show_stat(struct seq_file *p, void *v)
 
 static int stat_open(struct inode *inode, struct file *file)
 {
-        size_t size = 1024 + 128 * num_possible_cpus();
-        char *buf;
-        struct seq_file *m;
-        int res;
+        size_t size = 1024 + 128 * num_online_cpus();
 
         /* minimum size to display an interrupt count : 2 bytes */
         size += 2 * nr_irqs;
-
-        /* don't ask for more than the kmalloc() max size */
-        if (size > KMALLOC_MAX_SIZE)
-                size = KMALLOC_MAX_SIZE;
-        buf = kmalloc(size, GFP_KERNEL);
-        if (!buf)
-                return -ENOMEM;
-
-        res = single_open(file, show_stat, NULL);
-        if (!res) {
-                m = file->private_data;
-                m->buf = buf;
-                m->size = ksize(buf);
-        } else
-                kfree(buf);
-        return res;
+        return single_open_size(file, show_stat, NULL, size);
 }
 
 static const struct file_operations proc_stat_operations = {