mirror of https://gitee.com/openkylin/linux.git
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>
This commit is contained in:
parent
7f016ee8b6
commit
e72e2bd674
32
mm/vmscan.c
32
mm/vmscan.c
|
@ -125,15 +125,15 @@ static LIST_HEAD(shrinker_list);
|
|||
static DECLARE_RWSEM(shrinker_rwsem);
|
||||
|
||||
#ifdef CONFIG_CGROUP_MEM_RES_CTLR
|
||||
#define scan_global_lru(sc) (!(sc)->mem_cgroup)
|
||||
#define scanning_global_lru(sc) (!(sc)->mem_cgroup)
|
||||
#else
|
||||
#define scan_global_lru(sc) (1)
|
||||
#define scanning_global_lru(sc) (1)
|
||||
#endif
|
||||
|
||||
static struct zone_reclaim_stat *get_reclaim_stat(struct zone *zone,
|
||||
struct scan_control *sc)
|
||||
{
|
||||
if (!scan_global_lru(sc))
|
||||
if (!scanning_global_lru(sc))
|
||||
return mem_cgroup_get_reclaim_stat(sc->mem_cgroup, zone);
|
||||
|
||||
return &zone->reclaim_stat;
|
||||
|
@ -142,7 +142,7 @@ static struct zone_reclaim_stat *get_reclaim_stat(struct zone *zone,
|
|||
static unsigned long zone_nr_pages(struct zone *zone, struct scan_control *sc,
|
||||
enum lru_list lru)
|
||||
{
|
||||
if (!scan_global_lru(sc))
|
||||
if (!scanning_global_lru(sc))
|
||||
return mem_cgroup_zone_nr_pages(sc->mem_cgroup, zone, lru);
|
||||
|
||||
return zone_page_state(zone, NR_LRU_BASE + lru);
|
||||
|
@ -1090,7 +1090,7 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
|
|||
__mod_zone_page_state(zone, NR_INACTIVE_ANON,
|
||||
-count[LRU_INACTIVE_ANON]);
|
||||
|
||||
if (scan_global_lru(sc))
|
||||
if (scanning_global_lru(sc))
|
||||
zone->pages_scanned += nr_scan;
|
||||
|
||||
reclaim_stat->recent_scanned[0] += count[LRU_INACTIVE_ANON];
|
||||
|
@ -1129,7 +1129,7 @@ static unsigned long shrink_inactive_list(unsigned long max_scan,
|
|||
if (current_is_kswapd()) {
|
||||
__count_zone_vm_events(PGSCAN_KSWAPD, zone, nr_scan);
|
||||
__count_vm_events(KSWAPD_STEAL, nr_freed);
|
||||
} else if (scan_global_lru(sc))
|
||||
} else if (scanning_global_lru(sc))
|
||||
__count_zone_vm_events(PGSCAN_DIRECT, zone, nr_scan);
|
||||
|
||||
__count_zone_vm_events(PGSTEAL, zone, nr_freed);
|
||||
|
@ -1228,7 +1228,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
|
|||
* zone->pages_scanned is used for detect zone's oom
|
||||
* mem_cgroup remembers nr_scan by itself.
|
||||
*/
|
||||
if (scan_global_lru(sc)) {
|
||||
if (scanning_global_lru(sc)) {
|
||||
zone->pages_scanned += pgscanned;
|
||||
}
|
||||
reclaim_stat->recent_scanned[!!file] += pgmoved;
|
||||
|
@ -1337,7 +1337,7 @@ static int inactive_anon_is_low(struct zone *zone, struct scan_control *sc)
|
|||
{
|
||||
int low;
|
||||
|
||||
if (scan_global_lru(sc))
|
||||
if (scanning_global_lru(sc))
|
||||
low = inactive_anon_is_low_global(zone);
|
||||
else
|
||||
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,
|
|||
file = zone_nr_pages(zone, sc, LRU_ACTIVE_FILE) +
|
||||
zone_nr_pages(zone, sc, LRU_INACTIVE_FILE);
|
||||
|
||||
if (scan_global_lru(sc)) {
|
||||
if (scanning_global_lru(sc)) {
|
||||
free = zone_page_state(zone, NR_FREE_PAGES);
|
||||
/* If we have very few page cache pages,
|
||||
force-scan anon pages. */
|
||||
|
@ -1474,7 +1474,7 @@ static void shrink_zone(int priority, struct zone *zone,
|
|||
scan >>= priority;
|
||||
scan = (scan * percent[file]) / 100;
|
||||
}
|
||||
if (scan_global_lru(sc)) {
|
||||
if (scanning_global_lru(sc)) {
|
||||
zone->lru[l].nr_scan += scan;
|
||||
nr[l] = zone->lru[l].nr_scan;
|
||||
if (nr[l] >= swap_cluster_max)
|
||||
|
@ -1550,7 +1550,7 @@ static void shrink_zones(int priority, struct zonelist *zonelist,
|
|||
* Take care memory controller reclaiming has small influence
|
||||
* to global LRU.
|
||||
*/
|
||||
if (scan_global_lru(sc)) {
|
||||
if (scanning_global_lru(sc)) {
|
||||
if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL))
|
||||
continue;
|
||||
note_zone_scanning_priority(zone, priority);
|
||||
|
@ -1603,12 +1603,12 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
|
|||
|
||||
delayacct_freepages_start();
|
||||
|
||||
if (scan_global_lru(sc))
|
||||
if (scanning_global_lru(sc))
|
||||
count_vm_event(ALLOCSTALL);
|
||||
/*
|
||||
* mem_cgroup will not do shrink_slab.
|
||||
*/
|
||||
if (scan_global_lru(sc)) {
|
||||
if (scanning_global_lru(sc)) {
|
||||
for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
|
||||
|
||||
if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL))
|
||||
|
@ -1627,7 +1627,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
|
|||
* Don't shrink slabs when reclaiming memory from
|
||||
* over limit cgroups
|
||||
*/
|
||||
if (scan_global_lru(sc)) {
|
||||
if (scanning_global_lru(sc)) {
|
||||
shrink_slab(sc->nr_scanned, sc->gfp_mask, lru_pages);
|
||||
if (reclaim_state) {
|
||||
sc->nr_reclaimed += reclaim_state->reclaimed_slab;
|
||||
|
@ -1658,7 +1658,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
|
|||
congestion_wait(WRITE, HZ/10);
|
||||
}
|
||||
/* top priority shrink_zones still had more to do? don't OOM, then */
|
||||
if (!sc->all_unreclaimable && scan_global_lru(sc))
|
||||
if (!sc->all_unreclaimable && scanning_global_lru(sc))
|
||||
ret = sc->nr_reclaimed;
|
||||
out:
|
||||
/*
|
||||
|
@ -1671,7 +1671,7 @@ static unsigned long do_try_to_free_pages(struct zonelist *zonelist,
|
|||
if (priority < 0)
|
||||
priority = 0;
|
||||
|
||||
if (scan_global_lru(sc)) {
|
||||
if (scanning_global_lru(sc)) {
|
||||
for_each_zone_zonelist(zone, z, zonelist, high_zoneidx) {
|
||||
|
||||
if (!cpuset_zone_allowed_hardwall(zone, GFP_KERNEL))
|
||||
|
|
Loading…
Reference in New Issue