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author | H. Peter Anvin <hpa@linux.intel.com> | 2009-02-23 14:05:56 -0800 |
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committer | H. Peter Anvin <hpa@linux.intel.com> | 2009-02-23 14:05:56 -0800 |
commit | dc731ca60954310be0993e8992d450c7089fd13d (patch) | |
tree | 6a997916f963d9e6dfa76fc5564296f57c3f909e /mm/vmscan.c | |
parent | ec5b3d32437571b8a742069a4cfd04edb6b6eda5 (diff) | |
parent | 20f4d6c3a2a23c5d7d9cc7f42fbb943ca7a03d1f (diff) | |
download | kernel-crypto-dc731ca60954310be0993e8992d450c7089fd13d.tar.gz kernel-crypto-dc731ca60954310be0993e8992d450c7089fd13d.tar.xz kernel-crypto-dc731ca60954310be0993e8992d450c7089fd13d.zip |
Merge branch 'x86/urgent' into x86/mce2
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r-- | mm/vmscan.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 9a27c44aa32..6177e3bcd66 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2057,31 +2057,31 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio, int pass, struct scan_control *sc) { struct zone *zone; - unsigned long nr_to_scan, ret = 0; - enum lru_list l; + unsigned long ret = 0; for_each_zone(zone) { + enum lru_list l; if (!populated_zone(zone)) continue; - if (zone_is_all_unreclaimable(zone) && prio != DEF_PRIORITY) continue; for_each_evictable_lru(l) { + enum zone_stat_item ls = NR_LRU_BASE + l; + unsigned long lru_pages = zone_page_state(zone, ls); + /* For pass = 0, we don't shrink the active list */ - if (pass == 0 && - (l == LRU_ACTIVE || l == LRU_ACTIVE_FILE)) + if (pass == 0 && (l == LRU_ACTIVE_ANON || + l == LRU_ACTIVE_FILE)) continue; - zone->lru[l].nr_scan += - (zone_page_state(zone, NR_LRU_BASE + l) - >> prio) + 1; + zone->lru[l].nr_scan += (lru_pages >> prio) + 1; if (zone->lru[l].nr_scan >= nr_pages || pass > 3) { + unsigned long nr_to_scan; + zone->lru[l].nr_scan = 0; - nr_to_scan = min(nr_pages, - zone_page_state(zone, - NR_LRU_BASE + l)); + nr_to_scan = min(nr_pages, lru_pages); ret += shrink_list(l, nr_to_scan, zone, sc, prio); if (ret >= nr_pages) @@ -2089,7 +2089,6 @@ static unsigned long shrink_all_zones(unsigned long nr_pages, int prio, } } } - return ret; } @@ -2112,7 +2111,6 @@ unsigned long shrink_all_memory(unsigned long nr_pages) .may_swap = 0, .swap_cluster_max = nr_pages, .may_writepage = 1, - .swappiness = vm_swappiness, .isolate_pages = isolate_pages_global, }; @@ -2146,10 +2144,8 @@ unsigned long shrink_all_memory(unsigned long nr_pages) int prio; /* Force reclaiming mapped pages in the passes #3 and #4 */ - if (pass > 2) { + if (pass > 2) sc.may_swap = 1; - sc.swappiness = 100; - } for (prio = DEF_PRIORITY; prio >= 0; prio--) { unsigned long nr_to_scan = nr_pages - ret; |