From: Andrew Morton akpm@linux-foundation.org
commit 441e254cd40dc03beec3c650ce6ce6074bc6517f upstream.
Fixes: 701d678599d0c1 ("mm/zsmalloc.c: fix race condition in zs_destroy_pool") Link: http://lkml.kernel.org/r/201908251039.5oSbEEUT%25lkp@intel.com Reported-by: kbuild test robot lkp@intel.com Cc: Sergey Senozhatsky sergey.senozhatsky@gmail.com Cc: Henry Burns henrywolfeburns@gmail.com Cc: Minchan Kim minchan@kernel.org Cc: Shakeel Butt shakeelb@google.com Cc: Jonathan Adams jwadams@google.com Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- mm/zsmalloc.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -2432,7 +2432,9 @@ struct zs_pool *zs_create_pool(const cha if (!pool->name) goto err;
+#ifdef CONFIG_COMPACTION init_waitqueue_head(&pool->migration_wait); +#endif
if (create_cache(pool)) goto err;