The function for new 'struct damos' creation, 'damon_new_scheme()', copies each field of the struct one by one, though it could simply copied via struct to struct. This commit replaces the unnecessarily verbose field-to-field copies with struct-to-struct copies to make code simple and short. Signed-off-by: SeongJae Park <sj@xxxxxxxxxx> --- mm/damon/core.c | 21 ++++----------------- 1 file changed, 4 insertions(+), 17 deletions(-) diff --git a/mm/damon/core.c b/mm/damon/core.c index c21f5fe5928a..27e0c312f7a5 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -276,22 +276,13 @@ struct damos *damon_new_scheme(struct damos_access_pattern *pattern, scheme = kmalloc(sizeof(*scheme), GFP_KERNEL); if (!scheme) return NULL; - scheme->pattern.min_sz_region = pattern->min_sz_region; - scheme->pattern.max_sz_region = pattern->max_sz_region; - scheme->pattern.min_nr_accesses = pattern->min_nr_accesses; - scheme->pattern.max_nr_accesses = pattern->max_nr_accesses; - scheme->pattern.min_age_region = pattern->min_age_region; - scheme->pattern.max_age_region = pattern->max_age_region; + scheme->pattern = *pattern; scheme->action = action; scheme->stat = (struct damos_stat){}; INIT_LIST_HEAD(&scheme->list); - scheme->quota.ms = quota->ms; - scheme->quota.sz = quota->sz; - scheme->quota.reset_interval = quota->reset_interval; - scheme->quota.weight_sz = quota->weight_sz; - scheme->quota.weight_nr_accesses = quota->weight_nr_accesses; - scheme->quota.weight_age = quota->weight_age; + scheme->quota = *quota; + /* caller might not zero-initialized the private fileds */ scheme->quota.total_charged_sz = 0; scheme->quota.total_charged_ns = 0; scheme->quota.esz = 0; @@ -300,11 +291,7 @@ struct damos *damon_new_scheme(struct damos_access_pattern *pattern, scheme->quota.charge_target_from = NULL; scheme->quota.charge_addr_from = 0; - scheme->wmarks.metric = wmarks->metric; - scheme->wmarks.interval = wmarks->interval; - scheme->wmarks.high = wmarks->high; - scheme->wmarks.mid = wmarks->mid; - scheme->wmarks.low = wmarks->low; + scheme->wmarks = *wmarks; scheme->wmarks.activated = true; return scheme; -- 2.25.1