mm/memory-failure.c: remove useless "undef"s
Remove the useless #undef, since the corresponding #define has already
been removed.
Signed-off-by: Wang Xiaoqiang <wangxq10@lzu.edu.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index ac595e7..67c30eb 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -826,8 +826,6 @@
#undef lru
#undef swapbacked
#undef head
-#undef tail
-#undef compound
#undef slab
#undef reserved
