diff options
-rw-r--r-- | include/linux/mmzone.h | 14 | ||||
-rw-r--r-- | mm/memcontrol.c | 4 | ||||
-rw-r--r-- | mm/mmzone.c | 14 | ||||
-rw-r--r-- | mm/page_alloc.c | 8 |
4 files changed, 30 insertions, 10 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 5c4880b..2427706 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -201,6 +201,9 @@ struct zone_reclaim_stat { struct lruvec { struct list_head lists[NR_LRU_LISTS]; struct zone_reclaim_stat reclaim_stat; +#ifdef CONFIG_CGROUP_MEM_RES_CTLR + struct zone *zone; +#endif }; /* Mask used at gathering information at once (see memcontrol.c) */ @@ -729,6 +732,17 @@ extern int init_currently_empty_zone(struct zone *zone, unsigned long start_pfn, unsigned long size, enum memmap_context context); +extern void lruvec_init(struct lruvec *lruvec, struct zone *zone); + +static inline struct zone *lruvec_zone(struct lruvec *lruvec) +{ +#ifdef CONFIG_CGROUP_MEM_RES_CTLR + return lruvec->zone; +#else + return container_of(lruvec, struct zone, lruvec); +#endif +} + #ifdef CONFIG_HAVE_MEMORY_PRESENT void memory_present(int nid, unsigned long start, unsigned long end); #else diff --git a/mm/memcontrol.c b/mm/memcontrol.c index a8abf91..39b2c14 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -4738,7 +4738,6 @@ static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *memcg, int node) { struct mem_cgroup_per_node *pn; struct mem_cgroup_per_zone *mz; - enum lru_list lru; int zone, tmp = node; /* * This routine is called against possible nodes. @@ -4756,8 +4755,7 @@ static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *memcg, int node) for (zone = 0; zone < MAX_NR_ZONES; zone++) { mz = &pn->zoneinfo[zone]; - for_each_lru(lru) - INIT_LIST_HEAD(&mz->lruvec.lists[lru]); + lruvec_init(&mz->lruvec, &NODE_DATA(node)->node_zones[zone]); mz->usage_in_excess = 0; mz->on_tree = false; mz->memcg = memcg; diff --git a/mm/mmzone.c b/mm/mmzone.c index 7cf7b7d..6830eab 100644 --- a/mm/mmzone.c +++ b/mm/mmzone.c @@ -86,3 +86,17 @@ int memmap_valid_within(unsigned long pfn, return 1; } #endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */ + +void lruvec_init(struct lruvec *lruvec, struct zone *zone) +{ + enum lru_list lru; + + memset(lruvec, 0, sizeof(struct lruvec)); + + for_each_lru(lru) + INIT_LIST_HEAD(&lruvec->lists[lru]); + +#ifdef CONFIG_CGROUP_MEM_RES_CTLR + lruvec->zone = zone; +#endif +} diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8cbfc38..6092f33 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4358,7 +4358,6 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, for (j = 0; j < MAX_NR_ZONES; j++) { struct zone *zone = pgdat->node_zones + j; unsigned long size, realsize, memmap_pages; - enum lru_list lru; size = zone_spanned_pages_in_node(nid, j, zones_size); realsize = size - zone_absent_pages_in_node(nid, j, @@ -4408,12 +4407,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, zone->zone_pgdat = pgdat; zone_pcp_init(zone); - for_each_lru(lru) - INIT_LIST_HEAD(&zone->lruvec.lists[lru]); - zone->lruvec.reclaim_stat.recent_rotated[0] = 0; - zone->lruvec.reclaim_stat.recent_rotated[1] = 0; - zone->lruvec.reclaim_stat.recent_scanned[0] = 0; - zone->lruvec.reclaim_stat.recent_scanned[1] = 0; + lruvec_init(&zone->lruvec, zone); zap_zone_vm_stats(zone); zone->flags = 0; if (!size) |