diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/memcontrol.h | 12 | ||||
| -rw-r--r-- | include/linux/shrinker.h | 17 |
2 files changed, 18 insertions, 11 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index e4e24da16d2c..031102ac9311 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -21,6 +21,7 @@ #include <linux/vmstat.h> #include <linux/writeback.h> #include <linux/page-flags.h> +#include <linux/shrinker.h> struct mem_cgroup; struct obj_cgroup; @@ -88,17 +89,6 @@ struct mem_cgroup_reclaim_iter { unsigned int generation; }; -/* - * Bitmap and deferred work of shrinker::id corresponding to memcg-aware - * shrinkers, which have elements charged to this memcg. - */ -struct shrinker_info { - struct rcu_head rcu; - atomic_long_t *nr_deferred; - unsigned long *map; - int map_nr_max; -}; - struct lruvec_stats_percpu { /* Local (CPU and cgroup) state */ long state[NR_VM_NODE_STAT_ITEMS]; diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h index 1d3899f37229..ba5ac82b5dbd 100644 --- a/include/linux/shrinker.h +++ b/include/linux/shrinker.h @@ -5,6 +5,23 @@ #include <linux/atomic.h> #include <linux/types.h> +#define SHRINKER_UNIT_BITS BITS_PER_LONG + +/* + * Bitmap and deferred work of shrinker::id corresponding to memcg-aware + * shrinkers, which have elements charged to the memcg. + */ +struct shrinker_info_unit { + atomic_long_t nr_deferred[SHRINKER_UNIT_BITS]; + DECLARE_BITMAP(map, SHRINKER_UNIT_BITS); +}; + +struct shrinker_info { + struct rcu_head rcu; + int map_nr_max; + struct shrinker_info_unit *unit[]; +}; + /* * This struct is used to pass information from page reclaim to the shrinkers. * We consolidate the values for easier extension later. |