diff options
| author | Andrew Morton <akpm@linux-foundation.org> | 2025-11-27 14:17:02 -0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2025-11-27 14:17:02 -0800 |
| commit | bc947af67759c2d229e31af9bf232f9ade6145d8 (patch) | |
| tree | a3f5c1731f5367a60df47cafa194260ed63afaa0 /mm/damon/stat.c | |
| parent | 58b6fcd2ab34399258dc509f701d0986a8e0bcaa (diff) | |
| parent | 7c9580f44f90f7a4c11fc7831efe323ebe446091 (diff) | |
Merge branch 'mm-hotfixes-stable' into mm-nonmm-stable in order to be able
to merge "kho: make debugfs interface optional" into mm-nonmm-stable.
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 d8010968bbed..bf8626859902 100644 --- a/mm/damon/stat.c +++ b/mm/damon/stat.c @@ -46,6 +46,8 @@ MODULE_PARM_DESC(aggr_interval_us, 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; @@ -130,13 +132,12 @@ 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; aggr_interval_us = c->attrs.aggr_interval; damon_stat_set_estimated_memory_bandwidth(c); @@ -210,6 +211,8 @@ 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); } |
