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authorSeongJae Park <sj@kernel.org>2022-09-13 17:44:43 +0000
committerAndrew Morton <akpm@linux-foundation.org>2022-10-03 14:03:12 -0700
commitb71f3ea83242890900bb0668201568df81244547 (patch)
treec54c6a4ef90cb32e1970923ead5f7976ea52e51d /mm/damon
parent528ef2d996408d4b9cccf4b23a9976ab5e75cf39 (diff)
mm/damon/reclaim: use stat parameters generator
This commit makes DAMON_RECLAIM to generate the module parameters for DAMOS statistics using the generator macro to simplify the code and reduce duplicates. Link: https://lkml.kernel.org/r/20220913174449.50645-17-sj@kernel.org Signed-off-by: SeongJae Park <sj@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/damon')
-rw-r--r--mm/damon/reclaim.c41
1 files changed, 5 insertions, 36 deletions
diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c
index 7f845f617dc5..1ef8353ac15a 100644
--- a/mm/damon/reclaim.c
+++ b/mm/damon/reclaim.c
@@ -136,35 +136,9 @@ module_param(monitor_region_end, ulong, 0600);
static int kdamond_pid __read_mostly = -1;
module_param(kdamond_pid, int, 0400);
-/*
- * Number of memory regions that tried to be reclaimed.
- */
-static unsigned long nr_reclaim_tried_regions __read_mostly;
-module_param(nr_reclaim_tried_regions, ulong, 0400);
-
-/*
- * Total bytes of memory regions that tried to be reclaimed.
- */
-static unsigned long bytes_reclaim_tried_regions __read_mostly;
-module_param(bytes_reclaim_tried_regions, ulong, 0400);
-
-/*
- * Number of memory regions that successfully be reclaimed.
- */
-static unsigned long nr_reclaimed_regions __read_mostly;
-module_param(nr_reclaimed_regions, ulong, 0400);
-
-/*
- * Total bytes of memory regions that successfully be reclaimed.
- */
-static unsigned long bytes_reclaimed_regions __read_mostly;
-module_param(bytes_reclaimed_regions, ulong, 0400);
-
-/*
- * Number of times that the time/space quota limits have exceeded
- */
-static unsigned long nr_quota_exceeds __read_mostly;
-module_param(nr_quota_exceeds, ulong, 0400);
+static struct damos_stat damon_reclaim_stat;
+DEFINE_DAMON_MODULES_DAMOS_STATS_PARAMS(damon_reclaim_stat,
+ reclaim_tried_regions, reclaimed_regions, quota_exceeds);
static struct damon_ctx *ctx;
static struct damon_target *target;
@@ -318,13 +292,8 @@ static int damon_reclaim_after_aggregation(struct damon_ctx *c)
struct damos *s;
/* update the stats parameter */
- damon_for_each_scheme(s, c) {
- nr_reclaim_tried_regions = s->stat.nr_tried;
- bytes_reclaim_tried_regions = s->stat.sz_tried;
- nr_reclaimed_regions = s->stat.nr_applied;
- bytes_reclaimed_regions = s->stat.sz_applied;
- nr_quota_exceeds = s->stat.qt_exceeds;
- }
+ damon_for_each_scheme(s, c)
+ damon_reclaim_stat = s->stat;
return damon_reclaim_handle_commit_inputs();
}