Hi Kaixu, On Thu, 8 Sep 2022 11:13:17 +0800 xiakaixu1987@xxxxxxxxx wrote: > From: Kaixu Xia <kaixuxia@xxxxxxxxxxx> > > The switch case 'DAMOS_STAT' and switch case 'default' have same > return value in damon_va_apply_scheme(), and the 'default' case > is for DAMOS actions that not supported by 'vaddr'. It might > make sense to add a comment here. > > Signed-off-by: Kaixu Xia <kaixuxia@xxxxxxxxxxx> Reviewed-by: SeongJae Park <sj@xxxxxxxxxx> > --- >From next time, giving change log from previous versions of the patch here would be a good practice: https://docs.kernel.org/process/submitting-patches.html#the-canonical-patch-format Thanks, SJ > mm/damon/vaddr.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c > index 3c7b9d6dca95..3814200e61e4 100644 > --- a/mm/damon/vaddr.c > +++ b/mm/damon/vaddr.c > @@ -646,6 +646,9 @@ static unsigned long damon_va_apply_scheme(struct damon_ctx *ctx, > case DAMOS_STAT: > return 0; > default: > + /* > + * DAMOS actions that not yet supported by 'vaddr'. > + */ > return 0; > } > > -- > 2.27.0