On 10/14/21 1:20 PM, Rikard Falkeborn wrote:
> The only usage of these structs is to pass their addresses to
> walk_page_range(), which takes a pointer to const mm_walk_ops as
> argument. Make them const to allow the compiler to put them in
> read-only memory.
>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@xxxxxxxxx>
> ---
> mm/damon/vaddr.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
> index 953c145b4f08..65d4f115fa66 100644
> --- a/mm/damon/vaddr.c
> +++ b/mm/damon/vaddr.c
> @@ -476,7 +476,7 @@ static int damon_mkold_pmd_entry(pmd_t *pmd, unsigned long addr,
> return 0;
> }
>
> -static struct mm_walk_ops damon_mkold_ops = {
> +static const struct mm_walk_ops damon_mkold_ops = {
> .pmd_entry = damon_mkold_pmd_entry,
> };
>
> @@ -572,7 +572,7 @@ static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr,
> return 0;
> }
>
> -static struct mm_walk_ops damon_young_ops = {
> +static const struct mm_walk_ops damon_young_ops = {
> .pmd_entry = damon_young_pmd_entry,
> };
>
>
Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
