[PATCH 1/3] mm/page_poison: remove unused page_ext.h from page_poison

[Kemeng Shi]

No page_ext function or structure is used in page_poison. Just remove
page_ext header from page_poison.

Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx>
---
 mm/page_poison.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/mm/page_poison.c b/mm/page_poison.c
index 98438985e1ed..b4f456437b7e 100644
--- a/mm/page_poison.c
+++ b/mm/page_poison.c
@@ -4,7 +4,6 @@
 #include <linux/mm.h>
 #include <linux/mmdebug.h>
 #include <linux/highmem.h>
-#include <linux/page_ext.h>
 #include <linux/poison.h>
 #include <linux/ratelimit.h>
 #include <linux/kasan.h>
-- 
2.30.0