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-rw-r--r--mm/damon/reclaim.c2
1 files changed, 1 insertions, 1 deletions
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;
}