mm: hugetlb_cgroup: convert to lockless page counters

Abandon the spinlock-protected byte counters in favor of the unlocked
page counters in the hugetlb controller as well.

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Vladimir Davydov <vdavydov@parallels.com>
Acked-by: Michal Hocko <mhocko@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/init/Kconfig b/init/Kconfig
index fd9e88791ba4..a60d1442d1df 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1051,7 +1051,8 @@ config MEMCG_KMEM
 
 config CGROUP_HUGETLB
         bool "HugeTLB Resource Controller for Control Groups"
-        depends on RESOURCE_COUNTERS && HUGETLB_PAGE
+        depends on HUGETLB_PAGE
+        select PAGE_COUNTER
         default n
         help
           Provides a cgroup Resource Controller for HugeTLB pages.