From: Andrew Morton <[email protected]>
commit 441e254cd40dc03beec3c650ce6ce6074bc6517f upstream.
Fixes: 701d678599d0c1 ("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]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
mm/zsmalloc.c | 2 ++
1 file changed, 2 insertions(+)
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -2431,7 +2431,9 @@ 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;
