diff options
Diffstat (limited to 'mm/damon/stat.c')
| -rw-r--r-- | mm/damon/stat.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/mm/damon/stat.c b/mm/damon/stat.c index 87bcd8866d4b..d12e423da9c2 100644 --- a/mm/damon/stat.c +++ b/mm/damon/stat.c @@ -41,6 +41,8 @@ MODULE_PARM_DESC(memory_idle_ms_percentiles, static struct damon_ctx *damon_stat_context; +static unsigned long damon_stat_last_refresh_jiffies; + static void damon_stat_set_estimated_memory_bandwidth(struct damon_ctx *c) { struct damon_target *t; @@ -125,13 +127,12 @@ static void damon_stat_set_idletime_percentiles(struct damon_ctx *c) static int damon_stat_damon_call_fn(void *data) { struct damon_ctx *c = data; - static unsigned long last_refresh_jiffies; /* avoid unnecessarily frequent stat update */ - if (time_before_eq(jiffies, last_refresh_jiffies + + if (time_before_eq(jiffies, damon_stat_last_refresh_jiffies + msecs_to_jiffies(5 * MSEC_PER_SEC))) return 0; - last_refresh_jiffies = jiffies; + damon_stat_last_refresh_jiffies = jiffies; damon_stat_set_estimated_memory_bandwidth(c); damon_stat_set_idletime_percentiles(c); @@ -204,6 +205,8 @@ static int damon_stat_start(void) err = damon_start(&damon_stat_context, 1, true); if (err) return err; + + damon_stat_last_refresh_jiffies = jiffies; call_control.data = damon_stat_context; return damon_call(damon_stat_context, &call_control); } |