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mm/damon/lru_sort: remove unnecessary online tuning handling code

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DAMON_LRU_SORT contains code for handling of online DAMON parameters
update edge cases.  It is no more necessary since damon_commit_ctx() takes
care of the cases.  Remove the unnecessary code.

Link: https://lkml.kernel.org/r/20240618181809.82078-13-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 2024-06-18 11:18:09 -07:00 committed by Andrew Morton
parent a309694364
commit d4fbcf0b56
1 changed files with 1 additions and 27 deletions
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28
mm/damon/lru_sort.c
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@ -186,23 +186,11 @@ static struct damos *damon_lru_sort_new_cold_scheme(unsigned int cold_thres)
return damon_lru_sort_new_scheme(&pattern, DAMOS_LRU_DEPRIO);
}
static void damon_lru_sort_copy_quota_status(struct damos_quota *dst,
struct damos_quota *src)
{
dst->total_charged_sz = src->total_charged_sz;
dst->total_charged_ns = src->total_charged_ns;
dst->charged_sz = src->charged_sz;
dst->charged_from = src->charged_from;
dst->charge_target_from = src->charge_target_from;
dst->charge_addr_from = src->charge_addr_from;
}
static int damon_lru_sort_apply_parameters(void)
{
struct damon_ctx *param_ctx;
struct damon_target *param_target;
struct damos *scheme, *hot_scheme, *cold_scheme;
struct damos *old_hot_scheme = NULL, *old_cold_scheme = NULL;
struct damos *hot_scheme, *cold_scheme;
unsigned int hot_thres, cold_thres;
int err;
@ -215,22 +203,11 @@ static int damon_lru_sort_apply_parameters(void)
goto out;
err = -ENOMEM;
damon_for_each_scheme(scheme, ctx) {
if (!old_hot_scheme) {
old_hot_scheme = scheme;
continue;
}
old_cold_scheme = scheme;
}
hot_thres = damon_max_nr_accesses(&damon_lru_sort_mon_attrs) *
hot_thres_access_freq / 1000;
hot_scheme = damon_lru_sort_new_hot_scheme(hot_thres);
if (!hot_scheme)
goto out;
if (old_hot_scheme)
damon_lru_sort_copy_quota_status(&hot_scheme->quota,
&old_hot_scheme->quota);
cold_thres = cold_min_age / damon_lru_sort_mon_attrs.aggr_interval;
cold_scheme = damon_lru_sort_new_cold_scheme(cold_thres);
@ -238,9 +215,6 @@ static int damon_lru_sort_apply_parameters(void)
damon_destroy_scheme(hot_scheme);
goto out;
}
if (old_cold_scheme)
damon_lru_sort_copy_quota_status(&cold_scheme->quota,
&old_cold_scheme->quota);
damon_set_schemes(param_ctx, &hot_scheme, 1);
damon_add_scheme(param_ctx, cold_scheme);