[PATCH -next] mm/hugetlb: stop using 0 as NULL pointer

[Yang Li]

mm/hugetlb.c:1531:37: warning: Using plain integer as NULL pointer

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3224
Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx>
---
 mm/hugetlb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 222937d512c4..b6c2fc882f21 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1528,7 +1528,7 @@ static void add_hugetlb_folio(struct hstate *h, struct folio *folio,
 	}
 
 	folio_set_compound_dtor(folio, HUGETLB_PAGE_DTOR);
-	folio_change_private(folio, 0);
+	folio_change_private(folio, NULL);
 	/*
 	 * We have to set HPageVmemmapOptimized again as above
 	 * folio_change_private(folio, 0) cleared it.
-- 
2.20.1.7.g153144c