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| author | Konstantin Khlebnikov <khlebnikov@openvz.org> | 2012-05-29 22:06:58 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 23:22:26 (GMT) |
| commit | 7f5e86c2ccc1480946d2c869d7f7d5278e828092 (patch) | |
| tree | 704612422963868042c9d240b4a395bd7bce8469 /mm | |
| parent | 9e3b2f8cd340e13353a44c9a34caef2848131ed7 (diff) | |
| download | linux-7f5e86c2ccc1480946d2c869d7f7d5278e828092.tar.xz | |
mm: add link from struct lruvec to struct zone
This is the first stage of struct mem_cgroup_zone removal. Further
patches replace struct mem_cgroup_zone with a pointer to struct lruvec.
If CONFIG_CGROUP_MEM_RES_CTLR=n lruvec_zone() is just container_of().
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memcontrol.c | 4 | ||||
| -rw-r--r-- | mm/mmzone.c | 14 | ||||
| -rw-r--r-- | mm/page_alloc.c | 8 |
3 files changed, 16 insertions, 10 deletions
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) |