diff options
Diffstat (limited to 'mm/vmscan.c')
-rw-r--r-- | mm/vmscan.c | 27 |
1 files changed, 2 insertions, 25 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 2624edcfb420..48550c66f1f2 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c | |||
@@ -1760,28 +1760,6 @@ static bool in_reclaim_compaction(struct scan_control *sc) | |||
1760 | return false; | 1760 | return false; |
1761 | } | 1761 | } |
1762 | 1762 | ||
1763 | #ifdef CONFIG_COMPACTION | ||
1764 | /* | ||
1765 | * If compaction is deferred for sc->order then scale the number of pages | ||
1766 | * reclaimed based on the number of consecutive allocation failures | ||
1767 | */ | ||
1768 | static unsigned long scale_for_compaction(unsigned long pages_for_compaction, | ||
1769 | struct lruvec *lruvec, struct scan_control *sc) | ||
1770 | { | ||
1771 | struct zone *zone = lruvec_zone(lruvec); | ||
1772 | |||
1773 | if (zone->compact_order_failed <= sc->order) | ||
1774 | pages_for_compaction <<= zone->compact_defer_shift; | ||
1775 | return pages_for_compaction; | ||
1776 | } | ||
1777 | #else | ||
1778 | static unsigned long scale_for_compaction(unsigned long pages_for_compaction, | ||
1779 | struct lruvec *lruvec, struct scan_control *sc) | ||
1780 | { | ||
1781 | return pages_for_compaction; | ||
1782 | } | ||
1783 | #endif | ||
1784 | |||
1785 | /* | 1763 | /* |
1786 | * Reclaim/compaction is used for high-order allocation requests. It reclaims | 1764 | * Reclaim/compaction is used for high-order allocation requests. It reclaims |
1787 | * order-0 pages before compacting the zone. should_continue_reclaim() returns | 1765 | * order-0 pages before compacting the zone. should_continue_reclaim() returns |
@@ -1829,9 +1807,6 @@ static inline bool should_continue_reclaim(struct lruvec *lruvec, | |||
1829 | * inactive lists are large enough, continue reclaiming | 1807 | * inactive lists are large enough, continue reclaiming |
1830 | */ | 1808 | */ |
1831 | pages_for_compaction = (2UL << sc->order); | 1809 | pages_for_compaction = (2UL << sc->order); |
1832 | |||
1833 | pages_for_compaction = scale_for_compaction(pages_for_compaction, | ||
1834 | lruvec, sc); | ||
1835 | inactive_lru_pages = get_lru_size(lruvec, LRU_INACTIVE_FILE); | 1810 | inactive_lru_pages = get_lru_size(lruvec, LRU_INACTIVE_FILE); |
1836 | if (nr_swap_pages > 0) | 1811 | if (nr_swap_pages > 0) |
1837 | inactive_lru_pages += get_lru_size(lruvec, LRU_INACTIVE_ANON); | 1812 | inactive_lru_pages += get_lru_size(lruvec, LRU_INACTIVE_ANON); |
@@ -3017,6 +2992,8 @@ static int kswapd(void *p) | |||
3017 | &balanced_classzone_idx); | 2992 | &balanced_classzone_idx); |
3018 | } | 2993 | } |
3019 | } | 2994 | } |
2995 | |||
2996 | current->reclaim_state = NULL; | ||
3020 | return 0; | 2997 | return 0; |
3021 | } | 2998 | } |
3022 | 2999 | ||