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authorLai Jiangshan <laijs@cn.fujitsu.com>2012-12-12 16:51:36 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-12 20:38:33 -0500
commit8cebfcd074a3044780f3f9af236fc8534d89e55e (patch)
tree38075cf409d3517e7b9ffce8e40eab2a4a9c3caa /mm/hugetlb.c
parent01f13bd607346afa8911ac180588244698676e5c (diff)
hugetlb: use N_MEMORY instead N_HIGH_MEMORY
N_HIGH_MEMORY stands for the nodes that has normal or high memory. N_MEMORY stands for the nodes that has any memory. The code here need to handle with the nodes which have memory, we should use N_MEMORY instead. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Acked-by: Hillf Danton <dhillf@gmail.com> Signed-off-by: Wen Congyang <wency@cn.fujitsu.com> Cc: Christoph Lameter <cl@linux.com> Cc: Hillf Danton <dhillf@gmail.com> Cc: Lin Feng <linfeng@cn.fujitsu.com> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/hugetlb.c')
-rw-r--r--mm/hugetlb.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 1ef2cd4ae3c9..bd22bd895299 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -1057,7 +1057,7 @@ static void return_unused_surplus_pages(struct hstate *h,
1057 * on-line nodes with memory and will handle the hstate accounting. 1057 * on-line nodes with memory and will handle the hstate accounting.
1058 */ 1058 */
1059 while (nr_pages--) { 1059 while (nr_pages--) {
1060 if (!free_pool_huge_page(h, &node_states[N_HIGH_MEMORY], 1)) 1060 if (!free_pool_huge_page(h, &node_states[N_MEMORY], 1))
1061 break; 1061 break;
1062 } 1062 }
1063} 1063}
@@ -1180,14 +1180,14 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma,
1180int __weak alloc_bootmem_huge_page(struct hstate *h) 1180int __weak alloc_bootmem_huge_page(struct hstate *h)
1181{ 1181{
1182 struct huge_bootmem_page *m; 1182 struct huge_bootmem_page *m;
1183 int nr_nodes = nodes_weight(node_states[N_HIGH_MEMORY]); 1183 int nr_nodes = nodes_weight(node_states[N_MEMORY]);
1184 1184
1185 while (nr_nodes) { 1185 while (nr_nodes) {
1186 void *addr; 1186 void *addr;
1187 1187
1188 addr = __alloc_bootmem_node_nopanic( 1188 addr = __alloc_bootmem_node_nopanic(
1189 NODE_DATA(hstate_next_node_to_alloc(h, 1189 NODE_DATA(hstate_next_node_to_alloc(h,
1190 &node_states[N_HIGH_MEMORY])), 1190 &node_states[N_MEMORY])),
1191 huge_page_size(h), huge_page_size(h), 0); 1191 huge_page_size(h), huge_page_size(h), 0);
1192 1192
1193 if (addr) { 1193 if (addr) {
@@ -1259,7 +1259,7 @@ static void __init hugetlb_hstate_alloc_pages(struct hstate *h)
1259 if (!alloc_bootmem_huge_page(h)) 1259 if (!alloc_bootmem_huge_page(h))
1260 break; 1260 break;
1261 } else if (!alloc_fresh_huge_page(h, 1261 } else if (!alloc_fresh_huge_page(h,
1262 &node_states[N_HIGH_MEMORY])) 1262 &node_states[N_MEMORY]))
1263 break; 1263 break;
1264 } 1264 }
1265 h->max_huge_pages = i; 1265 h->max_huge_pages = i;
@@ -1527,7 +1527,7 @@ static ssize_t nr_hugepages_store_common(bool obey_mempolicy,
1527 if (!(obey_mempolicy && 1527 if (!(obey_mempolicy &&
1528 init_nodemask_of_mempolicy(nodes_allowed))) { 1528 init_nodemask_of_mempolicy(nodes_allowed))) {
1529 NODEMASK_FREE(nodes_allowed); 1529 NODEMASK_FREE(nodes_allowed);
1530 nodes_allowed = &node_states[N_HIGH_MEMORY]; 1530 nodes_allowed = &node_states[N_MEMORY];
1531 } 1531 }
1532 } else if (nodes_allowed) { 1532 } else if (nodes_allowed) {
1533 /* 1533 /*
@@ -1537,11 +1537,11 @@ static ssize_t nr_hugepages_store_common(bool obey_mempolicy,
1537 count += h->nr_huge_pages - h->nr_huge_pages_node[nid]; 1537 count += h->nr_huge_pages - h->nr_huge_pages_node[nid];
1538 init_nodemask_of_node(nodes_allowed, nid); 1538 init_nodemask_of_node(nodes_allowed, nid);
1539 } else 1539 } else
1540 nodes_allowed = &node_states[N_HIGH_MEMORY]; 1540 nodes_allowed = &node_states[N_MEMORY];
1541 1541
1542 h->max_huge_pages = set_max_huge_pages(h, count, nodes_allowed); 1542 h->max_huge_pages = set_max_huge_pages(h, count, nodes_allowed);
1543 1543
1544 if (nodes_allowed != &node_states[N_HIGH_MEMORY]) 1544 if (nodes_allowed != &node_states[N_MEMORY])
1545 NODEMASK_FREE(nodes_allowed); 1545 NODEMASK_FREE(nodes_allowed);
1546 1546
1547 return len; 1547 return len;
@@ -1844,7 +1844,7 @@ static void hugetlb_register_all_nodes(void)
1844{ 1844{
1845 int nid; 1845 int nid;
1846 1846
1847 for_each_node_state(nid, N_HIGH_MEMORY) { 1847 for_each_node_state(nid, N_MEMORY) {
1848 struct node *node = node_devices[nid]; 1848 struct node *node = node_devices[nid];
1849 if (node->dev.id == nid) 1849 if (node->dev.id == nid)
1850 hugetlb_register_node(node); 1850 hugetlb_register_node(node);
@@ -1939,8 +1939,8 @@ void __init hugetlb_add_hstate(unsigned order)
1939 for (i = 0; i < MAX_NUMNODES; ++i) 1939 for (i = 0; i < MAX_NUMNODES; ++i)
1940 INIT_LIST_HEAD(&h->hugepage_freelists[i]); 1940 INIT_LIST_HEAD(&h->hugepage_freelists[i]);
1941 INIT_LIST_HEAD(&h->hugepage_activelist); 1941 INIT_LIST_HEAD(&h->hugepage_activelist);
1942 h->next_nid_to_alloc = first_node(node_states[N_HIGH_MEMORY]); 1942 h->next_nid_to_alloc = first_node(node_states[N_MEMORY]);
1943 h->next_nid_to_free = first_node(node_states[N_HIGH_MEMORY]); 1943 h->next_nid_to_free = first_node(node_states[N_MEMORY]);
1944 snprintf(h->name, HSTATE_NAME_LEN, "hugepages-%lukB", 1944 snprintf(h->name, HSTATE_NAME_LEN, "hugepages-%lukB",
1945 huge_page_size(h)/1024); 1945 huge_page_size(h)/1024);
1946 /* 1946 /*
@@ -2035,11 +2035,11 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy,
2035 if (!(obey_mempolicy && 2035 if (!(obey_mempolicy &&
2036 init_nodemask_of_mempolicy(nodes_allowed))) { 2036 init_nodemask_of_mempolicy(nodes_allowed))) {
2037 NODEMASK_FREE(nodes_allowed); 2037 NODEMASK_FREE(nodes_allowed);
2038 nodes_allowed = &node_states[N_HIGH_MEMORY]; 2038 nodes_allowed = &node_states[N_MEMORY];
2039 } 2039 }
2040 h->max_huge_pages = set_max_huge_pages(h, tmp, nodes_allowed); 2040 h->max_huge_pages = set_max_huge_pages(h, tmp, nodes_allowed);
2041 2041
2042 if (nodes_allowed != &node_states[N_HIGH_MEMORY]) 2042 if (nodes_allowed != &node_states[N_MEMORY])
2043 NODEMASK_FREE(nodes_allowed); 2043 NODEMASK_FREE(nodes_allowed);
2044 } 2044 }
2045out: 2045out: