[PATCH 4.8 020/138] mm/slab: fix kmemcg cache creation delayed issue

4.8-stable review patch. If anyone has any objections, please let me know. -- From: Joonsoo Kim commit 86d9f48534e800e4d62cdc1b5aaf539f4c1d47d6 upstream. There is a bug report that SLAB makes extreme load average due to over 2000 kworker thread.

[PATCH 4.8 020/138] mm/slab: fix kmemcg cache creation delayed issue

4.8-stable review patch. If anyone has any objections, please let me know. -- From: Joonsoo Kim commit 86d9f48534e800e4d62cdc1b5aaf539f4c1d47d6 upstream. There is a bug report that SLAB makes extreme load average due to over 2000 kworker thread.