diff options
Diffstat (limited to 'mm/nobootmem.c')
| -rw-r--r-- | mm/nobootmem.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/mm/nobootmem.c b/mm/nobootmem.c index 714d5d65047..b8294fc03df 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -116,8 +116,6 @@ static unsigned long __init __free_memory_core(phys_addr_t start, return 0; __free_pages_memory(start_pfn, end_pfn); - fixup_zone_present_pages(pfn_to_nid(start >> PAGE_SHIFT), - start_pfn, end_pfn); return end_pfn - start_pfn; } @@ -128,7 +126,6 @@ unsigned long __init free_low_memory_core_early(int nodeid) phys_addr_t start, end, size; u64 i; - reset_zone_present_pages(); for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL) count += __free_memory_core(start, end); @@ -140,6 +137,22 @@ unsigned long __init free_low_memory_core_early(int nodeid) return count; } +static void reset_node_lowmem_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. + */ + for (z = pgdat->node_zones; z < pgdat->node_zones + MAX_NR_ZONES; z++) + if (!is_highmem(z)) + z->managed_pages = 0; +} + /** * free_all_bootmem_node - release a node's free pages to the buddy allocator * @pgdat: node to be released @@ -149,6 +162,7 @@ unsigned long __init free_low_memory_core_early(int nodeid) unsigned long __init free_all_bootmem_node(pg_data_t *pgdat) { register_page_bootmem_info_node(pgdat); + reset_node_lowmem_managed_pages(pgdat); /* free_low_memory_core_early(MAX_NUMNODES) will be called later */ return 0; @@ -161,6 +175,11 @@ unsigned long __init free_all_bootmem_node(pg_data_t *pgdat) */ unsigned long __init free_all_bootmem(void) { + struct pglist_data *pgdat; + + for_each_online_pgdat(pgdat) + reset_node_lowmem_managed_pages(pgdat); + /* * We need to use MAX_NUMNODES instead of NODE_DATA(0)->node_id * because in some case like Node0 doesn't have RAM installed |