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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-07 17:59:07 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-07-07 17:59:07 -0700
commitc1a567d31b5488f4593eae7ca215264947b355ca (patch)
tree347b8226a2e92676dc2618d8109b99aa275aa31e /fs/proc
parent14b596c9d80bf63da3f0fcbddfd67eb62197afb4 (diff)
parentcd3de83f147601356395b57a8673e9c5ff1e59d1 (diff)
Merge 3.16-rc4 into staging-next
We want the staging tree fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/proc')
-rw-r--r--fs/proc/stat.c22
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 = {