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Subject[PATCH 3/6] mm/damon/reclaim: deduplicate 'commit_inputs' handling
Date
DAMON_RECLAIM's handling of 'commit_inputs' parameter is duplicated in
'after_aggregation()' and 'after_wmarks_check()' callbacks. This commit
deduplicates the code for better maintenance.

Signed-off-by: SeongJae Park <sj@kernel.org>
---
mm/damon/reclaim.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c
index 4b07c29effe9..c2ed962db23f 100644
--- a/mm/damon/reclaim.c
+++ b/mm/damon/reclaim.c
@@ -403,10 +403,21 @@ module_param_cb(enabled, &enabled_param_ops, &enabled, 0600);
MODULE_PARM_DESC(enabled,
"Enable or disable DAMON_RECLAIM (default: disabled)");

+static int damon_reclaim_handle_commit_inputs(void)
+{
+ int err;
+
+ if (!commit_inputs)
+ return 0;
+
+ err = damon_reclaim_apply_parameters();
+ commit_inputs = false;
+ return err;
+}
+
static int damon_reclaim_after_aggregation(struct damon_ctx *c)
{
struct damos *s;
- int err = 0;

/* update the stats parameter */
damon_for_each_scheme(s, c) {
@@ -417,22 +428,12 @@ static int damon_reclaim_after_aggregation(struct damon_ctx *c)
nr_quota_exceeds = s->stat.qt_exceeds;
}

- if (commit_inputs) {
- err = damon_reclaim_apply_parameters();
- commit_inputs = false;
- }
- return err;
+ return damon_reclaim_handle_commit_inputs();
}

static int damon_reclaim_after_wmarks_check(struct damon_ctx *c)
{
- int err = 0;
-
- if (commit_inputs) {
- err = damon_reclaim_apply_parameters();
- commit_inputs = false;
- }
- return err;
+ return damon_reclaim_handle_commit_inputs();
}

static int __init damon_reclaim_init(void)
--
2.25.1
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