mm/zsmalloc.c: fix build when CONFIG_COMPACTION=n
authorAndrew Morton <akpm@linux-foundation.org>
Fri, 30 Aug 2019 23:04:35 +0000 (16:04 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 31 Aug 2019 01:00:50 +0000 (18:00 -0700)
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>
mm/zsmalloc.c

index 08def3a..e98bb6a 100644 (file)
@@ -2412,7 +2412,9 @@ struct zs_pool *zs_create_pool(const char *name)
        if (!pool->name)
                goto err;
 
+#ifdef CONFIG_COMPACTION
        init_waitqueue_head(&pool->migration_wait);
+#endif
 
        if (create_cache(pool))
                goto err;