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| author | Konstantin Khlebnikov <khlebnikov@openvz.org> | 2012-05-29 15:07:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 16:22:27 -0700 |
| commit | f9be23d6da035241b7687b25e64401171986dcef (patch) | |
| tree | 9cdb45dc92785d18cbe6989abf8bf958618f28c8 | |
| parent | 90bdcfafdc660b359018262f0f8630d100e28760 (diff) | |
| download | linux-stable-f9be23d6da035241b7687b25e64401171986dcef.tar.gz linux-stable-f9be23d6da035241b7687b25e64401171986dcef.tar.bz2 linux-stable-f9be23d6da035241b7687b25e64401171986dcef.zip | |
mm/vmscan: kill struct mem_cgroup_zone
Kill struct mem_cgroup_zone and rename shrink_mem_cgroup_zone() to
shrink_lruvec(), it always shrinks one lruvec which it takes as an
argument.
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>
| -rw-r--r-- | mm/vmscan.c | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 1d251b5b0a06..4c5453f8427d 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -94,11 +94,6 @@ struct scan_control { nodemask_t *nodemask; }; -struct mem_cgroup_zone { - struct mem_cgroup *mem_cgroup; - struct zone *zone; -}; - #define lru_to_page(_head) (list_entry((_head)->prev, struct page, lru)) #ifdef ARCH_HAS_PREFETCH @@ -1769,8 +1764,7 @@ static inline bool should_continue_reclaim(struct lruvec *lruvec, /* * This is a basic per-zone page freer. Used by both kswapd and direct reclaim. */ -static void shrink_mem_cgroup_zone(struct mem_cgroup_zone *mz, - struct scan_control *sc) +static void shrink_lruvec(struct lruvec *lruvec, struct scan_control *sc) { unsigned long nr[NR_LRU_LISTS]; unsigned long nr_to_scan; @@ -1778,9 +1772,6 @@ 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; @@ -1842,12 +1833,10 @@ static void shrink_zone(struct zone *zone, struct scan_control *sc) memcg = mem_cgroup_iter(root, NULL, &reclaim); do { - struct mem_cgroup_zone mz = { - .mem_cgroup = memcg, - .zone = zone, - }; + struct lruvec *lruvec = mem_cgroup_zone_lruvec(zone, memcg); + + shrink_lruvec(lruvec, sc); - shrink_mem_cgroup_zone(&mz, sc); /* * Limit reclaim has historically picked one memcg and * scanned it with decreasing priority levels until @@ -2172,10 +2161,7 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *memcg, .priority = 0, .target_mem_cgroup = memcg, }; - struct mem_cgroup_zone mz = { - .mem_cgroup = memcg, - .zone = zone, - }; + struct lruvec *lruvec = mem_cgroup_zone_lruvec(zone, memcg); sc.gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) | (GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK); @@ -2191,7 +2177,7 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *memcg, * will pick up pages from other mem cgroup's as well. We hack * the priority and make it zero. */ - shrink_mem_cgroup_zone(&mz, &sc); + shrink_lruvec(lruvec, &sc); trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed); |