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

From: David Hildenbrand
Date: Mon Nov 21 2022 - 07:49:50 EST


On 21.11.22 11:20, Yang Li wrote:
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.

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Thanks,

David / dhildenb