mm/zsmalloc.c: fix build when CONFIG_COMPACTION=n

Fixes: 701d678 ("mm/zsmalloc.c: fix race condition in zs_destroy_pool") Link: http://lkml.kernel.org/r/201908251039.5oSbEEUT%[email protected] Reported-by: kbuild test robot <[email protected]> Cc: Sergey Senozhatsky <[email protected]> Cc: Henry Burns <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Shakeel Butt <[email protected]> Cc: Jonathan Adams <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
tobetter · Aug 31, 2019 · 441e254 · 441e254
1 parent bee07b3
commit 441e254
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
@@ -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;