diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/hugetlb.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 544f7bcb615..b4a263512cb 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -942,14 +942,14 @@ static void return_unused_surplus_pages(struct hstate *h, /* * We want to release as many surplus pages as possible, spread - * evenly across all nodes. Iterate across all nodes until we - * can no longer free unreserved surplus pages. This occurs when - * the nodes with surplus pages have no free pages. - * free_pool_huge_page() will balance the the frees across the - * on-line nodes for us and will handle the hstate accounting. + * evenly across all nodes with memory. Iterate across these nodes + * until we can no longer free unreserved surplus pages. This occurs + * when the nodes with surplus pages have no free pages. + * free_pool_huge_page() will balance the the freed pages across the + * on-line nodes with memory and will handle the hstate accounting. */ while (nr_pages--) { - if (!free_pool_huge_page(h, &node_online_map, 1)) + if (!free_pool_huge_page(h, &node_states[N_HIGH_MEMORY], 1)) break; } } @@ -1053,14 +1053,14 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma, int __weak alloc_bootmem_huge_page(struct hstate *h) { struct huge_bootmem_page *m; - int nr_nodes = nodes_weight(node_online_map); + int nr_nodes = nodes_weight(node_states[N_HIGH_MEMORY]); while (nr_nodes) { void *addr; addr = __alloc_bootmem_node_nopanic( NODE_DATA(hstate_next_node_to_alloc(h, - &node_online_map)), + &node_states[N_HIGH_MEMORY])), huge_page_size(h), huge_page_size(h), 0); if (addr) { @@ -1115,7 +1115,8 @@ static void __init hugetlb_hstate_alloc_pages(struct hstate *h) if (h->order >= MAX_ORDER) { if (!alloc_bootmem_huge_page(h)) break; - } else if (!alloc_fresh_huge_page(h, &node_online_map)) + } else if (!alloc_fresh_huge_page(h, + &node_states[N_HIGH_MEMORY])) break; } h->max_huge_pages = i; @@ -1388,7 +1389,7 @@ static ssize_t nr_hugepages_store_common(bool obey_mempolicy, h->max_huge_pages = set_max_huge_pages(h, count, nodes_allowed); - if (nodes_allowed != &node_online_map) + if (nodes_allowed != &node_states[N_HIGH_MEMORY]) NODEMASK_FREE(nodes_allowed); return len; @@ -1610,7 +1611,7 @@ void hugetlb_unregister_node(struct node *node) struct node_hstate *nhs = &node_hstates[node->sysdev.id]; if (!nhs->hugepages_kobj) - return; + return; /* no hstate attributes */ for_each_hstate(h) if (nhs->hstate_kobjs[h - hstates]) { @@ -1675,15 +1676,15 @@ void hugetlb_register_node(struct node *node) } /* - * hugetlb init time: register hstate attributes for all registered - * node sysdevs. All on-line nodes should have registered their - * associated sysdev by the time the hugetlb module initializes. + * hugetlb init time: register hstate attributes for all registered node + * sysdevs of nodes that have memory. All on-line nodes should have + * registered their associated sysdev by this time. */ static void hugetlb_register_all_nodes(void) { int nid; - for (nid = 0; nid < nr_node_ids; nid++) { + for_each_node_state(nid, N_HIGH_MEMORY) { struct node *node = &node_devices[nid]; if (node->sysdev.id == nid) hugetlb_register_node(node); @@ -1777,8 +1778,8 @@ void __init hugetlb_add_hstate(unsigned order) h->free_huge_pages = 0; for (i = 0; i < MAX_NUMNODES; ++i) INIT_LIST_HEAD(&h->hugepage_freelists[i]); - h->next_nid_to_alloc = first_node(node_online_map); - h->next_nid_to_free = first_node(node_online_map); + h->next_nid_to_alloc = first_node(node_states[N_HIGH_MEMORY]); + h->next_nid_to_free = first_node(node_states[N_HIGH_MEMORY]); snprintf(h->name, HSTATE_NAME_LEN, "hugepages-%lukB", huge_page_size(h)/1024); |