diff options
Diffstat (limited to 'mm/damon/core.c')
| -rw-r--r-- | mm/damon/core.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/mm/damon/core.c b/mm/damon/core.c index cce14a0d5c72..693b75bc3450 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -111,6 +111,8 @@ struct damos *damon_new_scheme( scheme->quota.reset_interval = quota->reset_interval; scheme->quota.charged_sz = 0; scheme->quota.charged_from = 0; + scheme->quota.charge_target_from = NULL; + scheme->quota.charge_addr_from = 0; return scheme; } @@ -553,6 +555,37 @@ static void damon_do_apply_schemes(struct damon_ctx *c, if (quota->sz && quota->charged_sz >= quota->sz) continue; + /* Skip previously charged regions */ + if (quota->charge_target_from) { + if (t != quota->charge_target_from) + continue; + if (r == damon_last_region(t)) { + quota->charge_target_from = NULL; + quota->charge_addr_from = 0; + continue; + } + if (quota->charge_addr_from && + r->ar.end <= quota->charge_addr_from) + continue; + + if (quota->charge_addr_from && r->ar.start < + quota->charge_addr_from) { + sz = ALIGN_DOWN(quota->charge_addr_from - + r->ar.start, DAMON_MIN_REGION); + if (!sz) { + if (r->ar.end - r->ar.start <= + DAMON_MIN_REGION) + continue; + sz = DAMON_MIN_REGION; + } + damon_split_region_at(c, t, r, sz); + r = damon_next_region(r); + sz = r->ar.end - r->ar.start; + } + quota->charge_target_from = NULL; + quota->charge_addr_from = 0; + } + /* Check the target regions condition */ if (sz < s->min_sz_region || s->max_sz_region < sz) continue; @@ -573,6 +606,10 @@ static void damon_do_apply_schemes(struct damon_ctx *c, } c->primitive.apply_scheme(c, t, r, s); quota->charged_sz += sz; + if (quota->sz && quota->charged_sz >= quota->sz) { + quota->charge_target_from = t; + quota->charge_addr_from = r->ar.end + 1; + } } if (s->action != DAMOS_STAT) r->age = 0; |