diff options
| author |   Con Kolivas <kernel@kolivas.org> | 2006-01-06 00:11:15 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 08:33:28 -0800 |
| commit | f3fe65122da05e1cd4c9140340d96ea2f95d0c49 (patch) | |
| tree | 65f2bcdb0a9665123b5083d3aea7dae483593cbc /mm | |
| parent | [PATCH] consolidate lru_add_drain() and lru_drain_cache() (diff) | |
| download | linux-dev-f3fe65122da05e1cd4c9140340d96ea2f95d0c49.tar.xz linux-dev-f3fe65122da05e1cd4c9140340d96ea2f95d0c49.zip | |
[PATCH] mm: add populated_zone() helper
There are numerous places we check whether a zone is populated or not.
Provide a helper function to check for populated zones and convert all
checks for zone->present_pages.
Signed-off-by: Con Kolivas <kernel@kolivas.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page_alloc.c | 8 | ||||
| -rw-r--r-- | mm/vmscan.c | 8 |
2 files changed, 8 insertions, 8 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index b9fd2c238f13..8f3de5af92dd 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1358,7 +1358,7 @@ void show_free_areas(void) show_node(zone); printk("%s per-cpu:", zone->name); - if (!zone->present_pages) { + if (!populated_zone(zone)) { printk(" empty\n"); continue; } else @@ -1435,7 +1435,7 @@ void show_free_areas(void) show_node(zone); printk("%s: ", zone->name); - if (!zone->present_pages) { + if (!populated_zone(zone)) { printk("empty\n"); continue; } @@ -2134,7 +2134,7 @@ static int frag_show(struct seq_file *m, void *arg) int order; for (zone = node_zones; zone - node_zones < MAX_NR_ZONES; ++zone) { - if (!zone->present_pages) + if (!populated_zone(zone)) continue; spin_lock_irqsave(&zone->lock, flags); @@ -2167,7 +2167,7 @@ static int zoneinfo_show(struct seq_file *m, void *arg) for (zone = node_zones; zone - node_zones < MAX_NR_ZONES; zone++) { int i; - if (!zone->present_pages) + if (!populated_zone(zone)) continue; spin_lock_irqsave(&zone->lock, flags); diff --git a/mm/vmscan.c b/mm/vmscan.c index 5c8a412b43f4..7681d8ee04fe 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -897,7 +897,7 @@ shrink_caches(struct zone **zones, struct scan_control *sc) for (i = 0; zones[i] != NULL; i++) { struct zone *zone = zones[i]; - if (zone->present_pages == 0) + if (!populated_zone(zone)) continue; if (!cpuset_zone_allowed(zone, __GFP_HARDWALL)) @@ -1069,7 +1069,7 @@ loop_again: for (i = pgdat->nr_zones - 1; i >= 0; i--) { struct zone *zone = pgdat->node_zones + i; - if (zone->present_pages == 0) + if (!populated_zone(zone)) continue; if (zone->all_unreclaimable && @@ -1106,7 +1106,7 @@ scan: struct zone *zone = pgdat->node_zones + i; int nr_slab; - if (zone->present_pages == 0) + if (!populated_zone(zone)) continue; if (zone->all_unreclaimable && priority != DEF_PRIORITY) @@ -1258,7 +1258,7 @@ void wakeup_kswapd(struct zone *zone, int order) { pg_data_t *pgdat; - if (zone->present_pages == 0) + if (!populated_zone(zone)) return; pgdat = zone->zone_pgdat; |