[PATCH 11/19] kernel: convert cgroup_namespace.count from atomic_t to refcount_t

[Tejun Heo]

On Mon, Feb 20, 2017 at 12:19:00PM +0200, Elena Reshetova wrote:
> refcount_t type and corresponding API should be
> used instead of atomic_t when the variable is used as
> a reference counter. This allows to avoid accidental
> refcounter overflows that might lead to use-after-free
> situations.
> 
> Signed-off-by: Elena Reshetova <elena.reshetova at intel.com>
> Signed-off-by: Hans Liljestrand <ishkamiel at gmail.com>
> Signed-off-by: Kees Cook <keescook at chromium.org>
> Signed-off-by: David Windsor <dwindsor at gmail.com>

Applied to cgroup/for-4.12.

Thanks.

-- 
tejun