[PATCH] mm/damon/reclaim: Use resource_size function on resource object

[Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>]

Fix the following coccicheck warnings:

./mm/damon/reclaim.c:241:30-33: WARNING: Suspicious code. resource_size
is maybe missing with res.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
 mm/damon/reclaim.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c
index f37c5d4b27fa..8efbfb24f3a1 100644
--- a/mm/damon/reclaim.c
+++ b/mm/damon/reclaim.c
@@ -238,7 +238,7 @@ static int walk_system_ram(struct resource *res, void *arg)
 {
 	struct damon_reclaim_ram_walk_arg *a = arg;
 
-	if (a->end - a->start < res->end - res->start) {
+	if (a->end - a->start < resource_size(res)) {
 		a->start = res->start;
 		a->end = res->end;
 	}
-- 
2.20.1.7.g153144c