diff options
Diffstat (limited to 'mm/vmscan.c')
| -rw-r--r-- | mm/vmscan.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 5318faa..79e2ead 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1488,13 +1488,12 @@ static int inactive_anon_is_low_global(struct zone *zone) /** * inactive_anon_is_low - check if anonymous pages need to be deactivated - * @zone: zone to check - * @sc: scan control of this context + * @lruvec: LRU vector to check * * Returns true if the zone does not have enough inactive anon pages, * meaning some active anon pages need to be deactivated. */ -static int inactive_anon_is_low(struct mem_cgroup_zone *mz) +static int inactive_anon_is_low(struct lruvec *lruvec) { /* * If we don't have swap space, anonymous page deactivation @@ -1504,13 +1503,12 @@ static int inactive_anon_is_low(struct mem_cgroup_zone *mz) return 0; if (!mem_cgroup_disabled()) - return mem_cgroup_inactive_anon_is_low(mz->mem_cgroup, - mz->zone); + return mem_cgroup_inactive_anon_is_low(lruvec); - return inactive_anon_is_low_global(mz->zone); + return inactive_anon_is_low_global(lruvec_zone(lruvec)); } #else -static inline int inactive_anon_is_low(struct mem_cgroup_zone *mz) +static inline int inactive_anon_is_low(struct lruvec *lruvec) { return 0; } @@ -1528,7 +1526,7 @@ static int inactive_file_is_low_global(struct zone *zone) /** * inactive_file_is_low - check if file pages need to be deactivated - * @mz: memory cgroup and zone to check + * @lruvec: LRU vector to check * * When the system is doing streaming IO, memory pressure here * ensures that active file pages get deactivated, until more @@ -1540,21 +1538,20 @@ static int inactive_file_is_low_global(struct zone *zone) * This uses a different ratio than the anonymous pages, because * the page cache uses a use-once replacement algorithm. */ -static int inactive_file_is_low(struct mem_cgroup_zone *mz) +static int inactive_file_is_low(struct lruvec *lruvec) { if (!mem_cgroup_disabled()) - return mem_cgroup_inactive_file_is_low(mz->mem_cgroup, - mz->zone); + return mem_cgroup_inactive_file_is_low(lruvec); - return inactive_file_is_low_global(mz->zone); + return inactive_file_is_low_global(lruvec_zone(lruvec)); } -static int inactive_list_is_low(struct mem_cgroup_zone *mz, int file) +static int inactive_list_is_low(struct lruvec *lruvec, int file) { if (file) - return inactive_file_is_low(mz); + return inactive_file_is_low(lruvec); else - return inactive_anon_is_low(mz); + return inactive_anon_is_low(lruvec); } static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan, @@ -1564,7 +1561,10 @@ static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan, int file = is_file_lru(lru); if (is_active_lru(lru)) { - if (inactive_list_is_low(mz, file)) + struct lruvec *lruvec = mem_cgroup_zone_lruvec(mz->zone, + mz->mem_cgroup); + + if (inactive_list_is_low(lruvec, file)) shrink_active_list(nr_to_scan, mz, sc, lru); return 0; } @@ -1793,6 +1793,9 @@ static void shrink_mem_cgroup_zone(struct mem_cgroup_zone *mz, unsigned long nr_reclaimed, nr_scanned; unsigned long nr_to_reclaim = sc->nr_to_reclaim; struct blk_plug plug; + struct lruvec *lruvec; + + lruvec = mem_cgroup_zone_lruvec(mz->zone, mz->mem_cgroup); restart: nr_reclaimed = 0; @@ -1831,7 +1834,7 @@ restart: * Even if we did not try to evict anon pages at all, we want to * rebalance the anon lru active/inactive ratio. */ - if (inactive_anon_is_low(mz)) + if (inactive_anon_is_low(lruvec)) shrink_active_list(SWAP_CLUSTER_MAX, mz, sc, LRU_ACTIVE_ANON); @@ -2264,12 +2267,13 @@ static void age_active_anon(struct zone *zone, struct scan_control *sc) memcg = mem_cgroup_iter(NULL, NULL, NULL); do { + struct lruvec *lruvec = mem_cgroup_zone_lruvec(zone, memcg); struct mem_cgroup_zone mz = { .mem_cgroup = memcg, .zone = zone, }; - if (inactive_anon_is_low(&mz)) + if (inactive_anon_is_low(lruvec)) shrink_active_list(SWAP_CLUSTER_MAX, &mz, sc, LRU_ACTIVE_ANON); |
