cgroup: fix comments

fix:
- comments about need_forkexit_callback
- comments about release agent
- typo and comment style, etc.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Paul Menage <menage@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index ff9055fc3d2a..2ebf7afedd9f 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -175,7 +175,7 @@ struct css_set {
  *
  *
  * When reading/writing to a file:
- *      - the cgroup to use in file->f_dentry->d_parent->d_fsdata
+ *      - the cgroup to use is file->f_dentry->d_parent->d_fsdata
  *      - the 'cftype' of the file is file->f_dentry->d_fsdata
  */