diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/damon.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/damon.h b/include/linux/damon.h index 43dfbfe2292f..a67292a2f09d 100644 --- a/include/linux/damon.h +++ b/include/linux/damon.h @@ -499,6 +499,7 @@ struct damos_migrate_dests { * @ops_filters: ops layer handling &struct damos_filter objects list. * @last_applied: Last @action applied ops-managing entity. * @stat: Statistics of this scheme. + * @max_nr_snapshots: Upper limit of nr_snapshots stat. * @list: List head for siblings. * * For each @apply_interval_us, DAMON finds regions which fit in the @@ -533,6 +534,9 @@ struct damos_migrate_dests { * finished. * * After applying the &action to each region, &stat is updated. + * + * If &max_nr_snapshots is set as non-zero and &stat.nr_snapshots be same to or + * greater than it, the scheme is deactivated. */ struct damos { struct damos_access_pattern pattern; @@ -567,6 +571,7 @@ struct damos { struct list_head ops_filters; void *last_applied; struct damos_stat stat; + unsigned long max_nr_snapshots; struct list_head list; }; |