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@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
---
 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

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@linux.alibaba.com>
> Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
> ---
>   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@redhat.com>

-- 
Thanks,

David / dhildenb