From 5934ec1362b235c4341807c28f79b6a596ce1b40 Mon Sep 17 00:00:00 2001 From: Kaixu Xia Date: Thu, 8 Sep 2022 11:13:17 +0800 Subject: mm/damon/vaddr: add a comment for 'default' case in damon_va_apply_scheme() 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. [akpm@linux-foundation.org: fx comment grammar] Link: https://lkml.kernel.org/r/1662606797-23534-1-git-send-email-kaixuxia@tencent.com Signed-off-by: Kaixu Xia Reviewed-by: SeongJae Park Signed-off-by: Andrew Morton --- mm/damon/vaddr.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'mm/damon/vaddr.c') diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c index 349b44d699e2..c2c08c1b316b 100644 --- a/mm/damon/vaddr.c +++ b/mm/damon/vaddr.c @@ -658,6 +658,9 @@ static unsigned long damon_va_apply_scheme(struct damon_ctx *ctx, case DAMOS_STAT: return 0; default: + /* + * DAMOS actions that are not yet supported by 'vaddr'. + */ return 0; } -- cgit v1.2.3