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mm/vmscan: push lruvec pointer into shrink_list() 

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>
This commit is contained in:
Konstantin Khlebnikov 2012-05-29 15:07:01 -07:00 committed by Linus Torvalds
parent c56d5c7dfe
commit 1a93be0e7a
1 changed files with 12 additions and 22 deletions
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34
mm/vmscan.c
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@ -1205,7 +1205,7 @@ putback_inactive_pages(struct lruvec *lruvec,
* of reclaimed pages
*/
static noinline_for_stack unsigned long
shrink_inactive_list(unsigned long nr_to_scan, struct mem_cgroup_zone *mz,
shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec,
struct scan_control *sc, enum lru_list lru)
{
LIST_HEAD(page_list);
@ -1216,9 +1216,8 @@ shrink_inactive_list(unsigned long nr_to_scan, struct mem_cgroup_zone *mz,
unsigned long nr_writeback = 0;
isolate_mode_t isolate_mode = 0;
int file = is_file_lru(lru);
struct zone *zone = mz->zone;
struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(mz);
struct lruvec *lruvec = mem_cgroup_zone_lruvec(zone, mz->mem_cgroup);
struct zone *zone = lruvec_zone(lruvec);
struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
while (unlikely(too_many_isolated(zone, file, sc))) {
congestion_wait(BLK_RW_ASYNC, HZ/10);
@ -1373,7 +1372,7 @@ static void move_active_pages_to_lru(struct zone *zone,
}
static void shrink_active_list(unsigned long nr_to_scan,
struct mem_cgroup_zone *mz,
struct lruvec *lruvec,
struct scan_control *sc,
enum lru_list lru)
{
@ -1384,12 +1383,11 @@ static void shrink_active_list(unsigned long nr_to_scan,
LIST_HEAD(l_active);
LIST_HEAD(l_inactive);
struct page *page;
struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(mz);
struct zone_reclaim_stat *reclaim_stat = &lruvec->reclaim_stat;
unsigned long nr_rotated = 0;
isolate_mode_t isolate_mode = 0;
int file = is_file_lru(lru);
struct zone *zone = mz->zone;
struct lruvec *lruvec = mem_cgroup_zone_lruvec(zone, mz->mem_cgroup);
struct zone *zone = lruvec_zone(lruvec);
lru_add_drain();
@ -1555,21 +1553,17 @@ static int inactive_list_is_low(struct lruvec *lruvec, int file)
}
static unsigned long shrink_list(enum lru_list lru, unsigned long nr_to_scan,
struct mem_cgroup_zone *mz,
struct scan_control *sc)
struct lruvec *lruvec, struct scan_control *sc)
{
int file = is_file_lru(lru);
if (is_active_lru(lru)) {
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);
shrink_active_list(nr_to_scan, lruvec, sc, lru);
return 0;
}
return shrink_inactive_list(nr_to_scan, mz, sc, lru);
return shrink_inactive_list(nr_to_scan, lruvec, sc, lru);
}
static int vmscan_swappiness(struct scan_control *sc)
@ -1812,7 +1806,7 @@ restart:
nr[lru] -= nr_to_scan;
nr_reclaimed += shrink_list(lru, nr_to_scan,
mz, sc);
lruvec, sc);
}
}
/*
@ -1835,7 +1829,7 @@ restart:
* rebalance the anon lru active/inactive ratio.
*/
if (inactive_anon_is_low(lruvec))
shrink_active_list(SWAP_CLUSTER_MAX, mz,
shrink_active_list(SWAP_CLUSTER_MAX, lruvec,
sc, LRU_ACTIVE_ANON);
/* reclaim/compaction might need reclaim to continue */
@ -2268,13 +2262,9 @@ 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(lruvec))
shrink_active_list(SWAP_CLUSTER_MAX, &mz,
shrink_active_list(SWAP_CLUSTER_MAX, lruvec,
sc, LRU_ACTIVE_ANON);
memcg = mem_cgroup_iter(NULL, memcg, NULL);