diff options
Diffstat (limited to 'mm/damon/core.c')
| -rw-r--r-- | mm/damon/core.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/mm/damon/core.c b/mm/damon/core.c index 70eff5cbe6ee..c2e0b469fd43 100644 --- a/mm/damon/core.c +++ b/mm/damon/core.c @@ -2073,8 +2073,8 @@ static void damos_set_effective_quota(struct damos_quota *quota) if (quota->ms) { if (quota->total_charged_ns) - throughput = quota->total_charged_sz * 1000000 / - quota->total_charged_ns; + throughput = mult_frac(quota->total_charged_sz, 1000000, + quota->total_charged_ns); else throughput = PAGE_SIZE * 1024; esz = min(throughput * quota->ms, esz); @@ -2111,6 +2111,10 @@ static void damos_adjust_quota(struct damon_ctx *c, struct damos *s) if (!quota->ms && !quota->sz && list_empty("a->goals)) return; + /* First charge window */ + if (!quota->total_charged_sz && !quota->charged_from) + quota->charged_from = jiffies; + /* New charge window starts */ if (time_after_eq(jiffies, quota->charged_from + msecs_to_jiffies(quota->reset_interval))) { |