On 10/14/21 1:20 PM, Rikard Falkeborn wrote:
> The only usage of hwp_walk_ops is to pass its address to
> walk_page_range() which takes a pointer to const mm_walk_ops as
> argument. Make it const to allow the compiler to put it in read-only
> memory.
>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@xxxxxxxxx>
> ---
> mm/memory-failure.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index 92eeb317adf4..8d5faf347ed1 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -674,7 +674,7 @@ static int hwpoison_hugetlb_range(pte_t *ptep, unsigned long hmask,
> #define hwpoison_hugetlb_range NULL
> #endif
>
> -static struct mm_walk_ops hwp_walk_ops = {
> +static const struct mm_walk_ops hwp_walk_ops = {
> .pmd_entry = hwpoison_pte_range,
> .hugetlb_entry = hwpoison_hugetlb_range,
> };
>
Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
