diff options
author | KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> | 2009-01-07 21:08:23 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-08 11:31:08 -0500 |
commit | e72e2bd6747c7a5c432197b6614cf3a387e61a0e (patch) | |
tree | 2ab1a184ff5844c01a7c8b5a9392d1c906b37abe /mm/vmscan.c | |
parent | 7f016ee8b6a9a43f768e6252021f169abec4fa1f (diff) |
memcg: rename scan global lru
Rename scan_global_lru() to scanning_global_lru().
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r-- | mm/vmscan.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 66bb6ef44b5f..f03c239440ad 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c | |||
@@ -125,15 +125,15 @@ static LIST_HEAD(shrinker_list); | |||
125 | static DECLARE_RWSEM(shrinker_rwsem); | 125 | static DECLARE_RWSEM(shrinker_rwsem); |
126 | 126 | ||
127 | #ifdef CONFIG_CGROUP_MEM_RES_CTLR | 127 | #ifdef CONFIG_CGROUP_MEM_RES_CTLR |
128 | #define scan_global_lru(sc) (!(sc)->mem_cgroup) | 128 | #define scanning_global_lru(sc) (!(sc)->mem_cgroup) |
129 | #else | 129 | #else |
130 | #define scan_global_lru(sc) (1) | 130 | #define scanning_global_lru(sc) (1) |
131 | #endif | 131 | #endif |
132 | 132 | ||
133 | static struct zone_reclaim_stat *get_reclaim_stat(struct zone *zone, | 133 | static struct zone_reclaim_stat *get_reclaim_stat(struct zone *zone, |
134 | struct scan_control *sc) | 134 | struct scan_control *sc) |
135 | { | 135 | { |
136 | if (!scan_global_lru(sc)) | 136 | if (!scanning_global_lru(sc)) |
137 | return mem_cgroup_get_reclaim_stat(sc->mem_cgroup, zone); | 137 | return mem_cgroup_get_reclaim_stat(sc->mem_cgroup, zone); |
138 | 138 | ||
139 | return &zone->reclaim_stat; | 139 | return &zone->reclaim_stat; |
@@ -142,7 +142,7 @@ static struct zone_reclaim_stat *get_reclaim_stat(struct zone *zone, | |||
142 | static unsigned long zone_nr_pages(struct zone *zone, struct scan_control *sc, | 142 | static unsigned long zone_nr_pages(struct zone *zone, struct scan_control *sc, |
143 | enum lru_list lru) | 143 | enum lru_list lru) |
144 | { | 144 | { |
145 | if (!scan_global_lru(sc)) | 145 | if (!scanning_global_lru(sc)) |
146 | return mem_cgroup_zone_nr_pages(sc->mem_cgroup, zone, lru); | 146 | return mem_cgroup_zone_nr_pages(sc->mem_cgroup, zone, lru); |
147 | 147 | ||
148 | return zone_page_state(zone, NR_LRU_BASE + lru); | 148 | return zone_page_state(zone, NR_LRU_BASE + lru); |
@@ -1090,7 +1090,7 @@ static unsigned long shrink_inactive_list(unsigned long max_scan, | |||
1090 | __mod_zone_page_state(zone, NR_INACTIVE_ANON, | 1090 | __mod_zone_page_state(zone, NR_INACTIVE_ANON, |
1091 | -count[LRU_INACTIVE_ANON]); | 1091 | -count[LRU_INACTIVE_ANON]); |
1092 | 1092 | ||
1093 | if (scan_global_lru(sc)) | 1093 | if (scanning_global_lru(sc)) |
1094 | zone->pages_scanned += nr_scan; | 1094 | zone->pages_scanned += nr_scan; |
1095 | 1095 | ||
1096 | reclaim_stat->recent_scanned[0] += count[LRU_INACTIVE_ANON]; | 1096 | reclaim_stat->recent_scanned[0] += count[LRU_INACTIVE_ANON]; |
@@ -1129,7 +1129,7 @@ static unsigned long shrink_inactive_list(unsigned long max_scan, | |||
1129 | if (current_is_kswapd()) { | 1129 | if (current_is_kswapd()) { |
1130 | __count_zone_vm_events(PGSCAN_KSWAPD, zone, nr_scan); | 1130 | __count_zone_vm_events(PGSCAN_KSWAPD, zone, nr_scan); |
1131 | __count_vm_events(KSWAPD_STEAL, nr_freed); | 1131 | __count_vm_events(KSWAPD_STEAL, nr_freed); |
1132 | } else if (scan_global_lru(sc)) | 1132 | } else if (scanning_global_lru(sc)) |
1133 | __count_zone_vm_events(PGSCAN_DIRECT, zone, nr_scan); | 1133 | __count_zone_vm_events(PGSCAN_DIRECT, zone, nr_scan); |
1134 | 1134 | ||
1135 | __count_zone_vm_events(PGSTEAL, zone, nr_freed); | 1135 | __count_zone_vm_events(PGSTEAL, zone, nr_freed); |
@@ -1228,7 +1228,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone, | |||
1228 | * zone->pages_scanned is used for detect zone's oom | 1228 | * zone->pages_scanned is used for detect zone's oom |
1229 | * mem_cgroup remembers nr_scan by itself. | 1229 | * mem_cgroup remembers nr_scan by itself. |
1230 | */ | 1230 | */ |
1231 | if (scan_global_lru(sc)) { | 1231 | if (scanning_global_lru(sc)) { |
1232 | zone->pages_scanned += pgscanned; | 1232 | zone->pages_scanned += pgscanned; |
1233 | } | 1233 | } |
1234 | reclaim_stat->recent_scanned[!!file] += pgmoved; | 1234 | reclaim_stat->recent_scanned[!!file] += pgmoved; |
@@ -1337,7 +1337,7 @@ static int inactive_anon_is_low(struct zone *zone, struct scan_control *sc) | |||
1337 | { | 1337 | { |
1338 | int low; | 1338 | int low; |
1339 | 1339 | ||
1340 | if (scan_global_lru(sc)) | 1340 | if (scanning_global_lru(sc)) |
1341 | low = inactive_anon_is_low_global(zone); | 1341 | low = inactive_anon_is_low_global(zone); |
1342 | else | 1342 | else |
1343 | low = mem_cgroup_inactive_anon_is_low(sc->mem_cgroup, zone); | 1343 | low = mem_cgroup_inactive_anon_is_low(sc->mem_cgroup, zone); |
@@ -1390,7 +1390,7 @@ static void get_scan_ratio(struct zone *zone, struct scan_control *sc, | |||
1390 | file = zone_nr_pages(zone, sc, LRU_ACTIVE_FILE) + | 1390 | file = zone_nr_pages(zone, sc, LRU_ACTIVE_FILE) + |
1391 | zone_nr_pages(zone, sc, LRU_INACTIVE_FILE); | 1391 | zone_nr_pages(zone, sc, LRU_INACTIVE_FILE); |
1392 | 1392 | ||
1393 | if (scan_global_lru(sc)) { | 1393 | if (scanning_global_lru(sc)) { |
1394 | free = zone_page_state(zone, NR_FREE_PAGES); | 1394 | free = zone_page_state(zone, NR_FREE_PAGES); |
1395 | /* If we have very few page cache pages, | 1395 | /* If we have very few page cache pages, |
1396 | force-scan anon pages. */ | 1396 | force-scan anon pages. */ |
@@ -1474,7 +1474,7 @@ static void shrink_zone(int priority, struct zone *zone, | |||
1474 | scan >>= priority; | 1474 | scan >>= priority; |
1475 | scan = (scan * percent[file]) / 100; | 1475 | scan = (scan * percent[file]) / 100; |
1476 | } | 1476 | } |
1477 | if (scan_global_lru(sc)) { | 1477 | if (scanning_global_lru(sc)) { |
1478 | zone->lru[l].nr_scan += scan; | 1478 | zone->lru[l].nr_scan += scan; |
1479 | nr[l] = zone->lru[l].nr_scan; | 1479 | nr[l] = zone->lru[l].nr_scan; |
1480 | if (nr[l] >= swap_cluster_max) | 1480 | if (nr[l] >= swap_cluster_max) |
@@ -1550,7 +1550,7 @@ static void shrink_zones(int priority, struct zonelist *zonelist, | |||
1550 | * Take care memory controller reclaiming has small influence | 1550 | * Take care memory controller reclaiming has small influence |
1551 | * to global LRU. | 1551 | * to global LRU. |
1552 | */ | 1552 | */ |
1553 | if (scan_global_lru(sc)) { | 1553 | if (scanning_global_lru(sc)) { |
1554 | if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL)) | 1554 | if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL)) |
1555 | continue; | 1555 | continue; |
1556 | note_zone_scanning_priority(zone, priority); | 1556 | note_zone_scanning_priority(zone, priority); |
@@ -1603,12 +1603,12 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist, | |||
1603 | 1603 | ||
1604 | delayacct_freepages_start(); | 1604 | delayacct_freepages_start(); |
1605 | 1605 | ||
1606 | if (scan_global_lru(sc)) | 1606 | if (scanning_global_lru(sc)) |
1607 | count_vm_event(ALLOCSTALL); | 1607 | count_vm_event(ALLOCSTALL); |
1608 | /* | 1608 | /* |
1609 | * mem_cgroup will not do shrink_slab. | 1609 | * mem_cgroup will not do shrink_slab. |
1610 | */ | 1610 | */ |
1611 | if (scan_global_lru(sc)) { | 1611 | if (scanning_global_lru(sc)) { |
1612 | for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) { | 1612 | for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) { |
1613 | 1613 | ||
1614 | if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL)) | 1614 | if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL)) |
@@ -1627,7 +1627,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist, | |||
1627 | * Don't shrink slabs when reclaiming memory from | 1627 | * Don't shrink slabs when reclaiming memory from |
1628 | * over limit cgroups | 1628 | * over limit cgroups |
1629 | */ | 1629 | */ |
1630 | if (scan_global_lru(sc)) { | 1630 | if (scanning_global_lru(sc)) { |
1631 | shrink_slab(sc->nr_scanned, sc->gfp_mask, lru_pages); | 1631 | shrink_slab(sc->nr_scanned, sc->gfp_mask, lru_pages); |
1632 | if (reclaim_state) { | 1632 | if (reclaim_state) { |
1633 | sc->nr_reclaimed += reclaim_state->reclaimed_slab; | 1633 | sc->nr_reclaimed += reclaim_state->reclaimed_slab; |
@@ -1658,7 +1658,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist, | |||
1658 | congestion_wait(WRITE, HZ/10); | 1658 | congestion_wait(WRITE, HZ/10); |
1659 | } | 1659 | } |
1660 | /* top priority shrink_zones still had more to do? don't OOM, then */ | 1660 | /* top priority shrink_zones still had more to do? don't OOM, then */ |
1661 | if (!sc->all_unreclaimable && scan_global_lru(sc)) | 1661 | if (!sc->all_unreclaimable && scanning_global_lru(sc)) |
1662 | ret = sc->nr_reclaimed; | 1662 | ret = sc->nr_reclaimed; |
1663 | out: | 1663 | out: |
1664 | /* | 1664 | /* |
@@ -1671,7 +1671,7 @@ out: | |||
1671 | if (priority < 0) | 1671 | if (priority < 0) |
1672 | priority = 0; | 1672 | priority = 0; |
1673 | 1673 | ||
1674 | if (scan_global_lru(sc)) { | 1674 | if (scanning_global_lru(sc)) { |
1675 | for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) { | 1675 | for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) { |
1676 | 1676 | ||
1677 | if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL)) | 1677 | if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL)) |