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mm/damon/reclaim: use stat parameters generator

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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>
This commit is contained in:
SeongJae Park 2022-09-13 17:44:43 +00:00 committed by Andrew Morton
parent 528ef2d996
commit b71f3ea832
1 changed files with 5 additions and 36 deletions
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41
mm/damon/reclaim.c
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@ -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();
}