Hi Kaixu,
On Sat, 27 Aug 2022 17:02:50 +0800 xiakaixu1987@xxxxxxxxx wrote:
> From: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
>
> The parameter 'struct damon_ctx *ctx' isn't used in the functions
> __damon_{p,v}a_check_access(), so we can remove it and simplify the
> parameter passing.
>
> Signed-off-by: Kaixu Xia <kaixuxia@xxxxxxxxxxx>
Reviewed-by: SeongJae Park <sj@xxxxxxxxxx>
Thanks,
SJ
> ---
> mm/damon/paddr.c | 5 ++---
> mm/damon/vaddr.c | 6 +++---
> 2 files changed, 5 insertions(+), 6 deletions(-)
>
> diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
> index dc131c6a5403..6b0d9e6aa677 100644
> --- a/mm/damon/paddr.c
> +++ b/mm/damon/paddr.c
> @@ -166,8 +166,7 @@ static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz)
> return result.accessed;
> }
>
> -static void __damon_pa_check_access(struct damon_ctx *ctx,
> - struct damon_region *r)
> +static void __damon_pa_check_access(struct damon_region *r)
> {
> static unsigned long last_addr;
> static unsigned long last_page_sz = PAGE_SIZE;
> @@ -196,7 +195,7 @@ static unsigned int damon_pa_check_accesses(struct damon_ctx *ctx)
>
> damon_for_each_target(t, ctx) {
> damon_for_each_region(r, t) {
> - __damon_pa_check_access(ctx, r);
> + __damon_pa_check_access(r);
> max_nr_accesses = max(r->nr_accesses, max_nr_accesses);
> }
> }
> diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c
> index 3c7b9d6dca95..e481f81c3efb 100644
> --- a/mm/damon/vaddr.c
> +++ b/mm/damon/vaddr.c
> @@ -532,8 +532,8 @@ static bool damon_va_young(struct mm_struct *mm, unsigned long addr,
> * mm 'mm_struct' for the given virtual address space
> * r the region to be checked
> */
> -static void __damon_va_check_access(struct damon_ctx *ctx,
> - struct mm_struct *mm, struct damon_region *r)
> +static void __damon_va_check_access(struct mm_struct *mm,
> + struct damon_region *r)
> {
> static struct mm_struct *last_mm;
> static unsigned long last_addr;
> @@ -568,7 +568,7 @@ static unsigned int damon_va_check_accesses(struct damon_ctx *ctx)
> if (!mm)
> continue;
> damon_for_each_region(r, t) {
> - __damon_va_check_access(ctx, mm, r);
> + __damon_va_check_access(mm, r);
> max_nr_accesses = max(r->nr_accesses, max_nr_accesses);
> }
> mmput(mm);
> --
> 2.27.0
