diff options
| -rw-r--r-- | include/linux/mmzone.h | 7 | ||||
| -rw-r--r-- | mm/page_alloc.c | 6 | ||||
| -rw-r--r-- | mm/vmscan.c | 22 | ||||
| -rw-r--r-- | mm/vmstat.c | 2 |
4 files changed, 14 insertions, 23 deletions
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index a01a103341b..bc209d8b7b5 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -306,6 +306,7 @@ struct zone { * free areas of different sizes */ spinlock_t lock; + int all_unreclaimable; /* All pages pinned */ #ifdef CONFIG_MEMORY_HOTPLUG /* see spanned/present_pages for more description */ seqlock_t span_seqlock; @@ -417,7 +418,6 @@ struct zone { } ____cacheline_internodealigned_in_smp; typedef enum { - ZONE_ALL_UNRECLAIMABLE, /* all pages pinned */ ZONE_RECLAIM_LOCKED, /* prevents concurrent reclaim */ ZONE_OOM_LOCKED, /* zone is in OOM killer zonelist */ } zone_flags_t; @@ -437,11 +437,6 @@ static inline void zone_clear_flag(struct zone *zone, zone_flags_t flag) clear_bit(flag, &zone->flags); } -static inline int zone_is_all_unreclaimable(const struct zone *zone) -{ - return test_bit(ZONE_ALL_UNRECLAIMABLE, &zone->flags); -} - static inline int zone_is_reclaim_locked(const struct zone *zone) { return test_bit(ZONE_RECLAIM_LOCKED, &zone->flags); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 80bcee0c503..0734bedabd9 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -530,7 +530,7 @@ static void free_pcppages_bulk(struct zone *zone, int count, int batch_free = 0; spin_lock(&zone->lock); - zone_clear_flag(zone, ZONE_ALL_UNRECLAIMABLE); + zone->all_unreclaimable = 0; zone->pages_scanned = 0; __mod_zone_page_state(zone, NR_FREE_PAGES, count); @@ -568,7 +568,7 @@ static void free_one_page(struct zone *zone, struct page *page, int order, int migratetype) { spin_lock(&zone->lock); - zone_clear_flag(zone, ZONE_ALL_UNRECLAIMABLE); + zone->all_unreclaimable = 0; zone->pages_scanned = 0; __mod_zone_page_state(zone, NR_FREE_PAGES, 1 << order); @@ -2262,7 +2262,7 @@ void show_free_areas(void) K(zone_page_state(zone, NR_BOUNCE)), K(zone_page_state(zone, NR_WRITEBACK_TEMP)), zone->pages_scanned, - (zone_is_all_unreclaimable(zone) ? "yes" : "no") + (zone->all_unreclaimable ? "yes" : "no") ); printk("lowmem_reserve[]:"); for (i = 0; i < MAX_NR_ZONES; i++) diff --git a/mm/vmscan.c b/mm/vmscan.c index bc0f8db8340..5cbf64dd79c 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1699,8 +1699,7 @@ static void shrink_zones(int priority, struct zonelist *zonelist, continue; note_zone_scanning_priority(zone, priority); - if (zone_is_all_unreclaimable(zone) && - priority != DEF_PRIORITY) + if (zone->all_unreclaimable && priority != DEF_PRIORITY) continue; /* Let kswapd poll it */ sc->all_unreclaimable = 0; } else { @@ -1927,7 +1926,7 @@ static int sleeping_prematurely(pg_data_t *pgdat, int order, long remaining) if (!populated_zone(zone)) continue; - if (zone_is_all_unreclaimable(zone)) + if (zone->all_unreclaimable) continue; if (!zone_watermark_ok(zone, order, high_wmark_pages(zone), @@ -2017,8 +2016,7 @@ loop_again: if (!populated_zone(zone)) continue; - if (zone_is_all_unreclaimable(zone) && - priority != DEF_PRIORITY) + if (zone->all_unreclaimable && priority != DEF_PRIORITY) continue; /* @@ -2061,8 +2059,7 @@ loop_again: if (!populated_zone(zone)) continue; - if (zone_is_all_unreclaimable(zone) && - priority != DEF_PRIORITY) + if (zone->all_unreclaimable && priority != DEF_PRIORITY) continue; temp_priority[i] = priority; @@ -2089,12 +2086,11 @@ loop_again: lru_pages); sc.nr_reclaimed += reclaim_state->reclaimed_slab; total_scanned += sc.nr_scanned; - if (zone_is_all_unreclaimable(zone)) + if (zone->all_unreclaimable) continue; - if (nr_slab == 0 && zone->pages_scanned >= - (zone_reclaimable_pages(zone) * 6)) - zone_set_flag(zone, - ZONE_ALL_UNRECLAIMABLE); + if (nr_slab == 0 && + zone->pages_scanned >= (zone_reclaimable_pages(zone) * 6)) + zone->all_unreclaimable = 1; /* * If we've done a decent amount of scanning and * the reclaim ratio is low, start doing writepage @@ -2624,7 +2620,7 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order) zone_page_state(zone, NR_SLAB_RECLAIMABLE) <= zone->min_slab_pages) return ZONE_RECLAIM_FULL; - if (zone_is_all_unreclaimable(zone)) + if (zone->all_unreclaimable) return ZONE_RECLAIM_FULL; /* diff --git a/mm/vmstat.c b/mm/vmstat.c index fc5aa183bc4..7f760cbc73f 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -763,7 +763,7 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat, "\n prev_priority: %i" "\n start_pfn: %lu" "\n inactive_ratio: %u", - zone_is_all_unreclaimable(zone), + zone->all_unreclaimable, zone->prev_priority, zone->zone_start_pfn, zone->inactive_ratio); |