diff options
Diffstat (limited to 'mm/bootmem.c')
| -rw-r--r-- | mm/bootmem.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/mm/bootmem.c b/mm/bootmem.c index 2b0bcb019ec2..eb792323187b 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -241,20 +241,26 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) return count; } -static void reset_node_lowmem_managed_pages(pg_data_t *pgdat) +static int reset_managed_pages_done __initdata; + +static inline void __init reset_node_managed_pages(pg_data_t *pgdat) { struct zone *z; - /* - * In free_area_init_core(), highmem zone's managed_pages is set to - * present_pages, and bootmem allocator doesn't allocate from highmem - * zones. So there's no need to recalculate managed_pages because all - * highmem pages will be managed by the buddy system. Here highmem - * zone also includes highmem movable zone. - */ + if (reset_managed_pages_done) + return; + for (z = pgdat->node_zones; z < pgdat->node_zones + MAX_NR_ZONES; z++) - if (!is_highmem(z)) - z->managed_pages = 0; + z->managed_pages = 0; +} + +void __init reset_all_zones_managed_pages(void) +{ + struct pglist_data *pgdat; + + for_each_online_pgdat(pgdat) + reset_node_managed_pages(pgdat); + reset_managed_pages_done = 1; } /** @@ -266,7 +272,7 @@ static void reset_node_lowmem_managed_pages(pg_data_t *pgdat) unsigned long __init free_all_bootmem_node(pg_data_t *pgdat) { register_page_bootmem_info_node(pgdat); - reset_node_lowmem_managed_pages(pgdat); + reset_node_managed_pages(pgdat); return free_all_bootmem_core(pgdat->bdata); } @@ -279,10 +285,8 @@ unsigned long __init free_all_bootmem(void) { unsigned long total_pages = 0; bootmem_data_t *bdata; - struct pglist_data *pgdat; - for_each_online_pgdat(pgdat) - reset_node_lowmem_managed_pages(pgdat); + reset_all_zones_managed_pages(); list_for_each_entry(bdata, &bdata_list, list) total_pages += free_all_bootmem_core(bdata); |