diff options
| -rw-r--r-- | include/linux/mm.h | 1 | ||||
| -rw-r--r-- | mm/page_alloc.c | 28 |
2 files changed, 17 insertions, 12 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index 6e11cda1ba0..f0473a88ca2 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1053,6 +1053,7 @@ extern void set_dma_reserve(unsigned long new_dma_reserve); extern void memmap_init_zone(unsigned long, int, unsigned long, unsigned long, enum memmap_context); extern void setup_per_zone_wmarks(void); +extern void calculate_zone_inactive_ratio(struct zone *zone); extern void mem_init(void); extern void __init mmap_init(void); extern void show_mem(void); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8629c84fd9b..303607f1d32 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4478,22 +4478,26 @@ void setup_per_zone_wmarks(void) * 1TB 101 10GB * 10TB 320 32GB */ -static void __init setup_per_zone_inactive_ratio(void) +void calculate_zone_inactive_ratio(struct zone *zone) { - struct zone *zone; + unsigned int gb, ratio; - for_each_zone(zone) { - unsigned int gb, ratio; + /* Zone size in gigabytes */ + gb = zone->present_pages >> (30 - PAGE_SHIFT); + if (gb) + ratio = int_sqrt(10 * gb); + else + ratio = 1; - /* Zone size in gigabytes */ - gb = zone->present_pages >> (30 - PAGE_SHIFT); - if (gb) - ratio = int_sqrt(10 * gb); - else - ratio = 1; + zone->inactive_ratio = ratio; +} - zone->inactive_ratio = ratio; - } +static void __init setup_per_zone_inactive_ratio(void) +{ + struct zone *zone; + + for_each_zone(zone) + calculate_zone_inactive_ratio(zone); } /* |