diff options
Diffstat (limited to 'drivers/base/node.c')
| -rw-r--r-- | drivers/base/node.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index fac124a7e1c..8f7ed9933a7 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -7,6 +7,7 @@ #include <linux/mm.h> #include <linux/memory.h> #include <linux/vmstat.h> +#include <linux/notifier.h> #include <linux/node.h> #include <linux/hugetlb.h> #include <linux/compaction.h> @@ -124,13 +125,7 @@ static ssize_t node_read_meminfo(struct device *dev, nid, K(node_page_state(nid, NR_WRITEBACK)), nid, K(node_page_state(nid, NR_FILE_PAGES)), nid, K(node_page_state(nid, NR_FILE_MAPPED)), -#ifdef CONFIG_TRANSPARENT_HUGEPAGE - nid, K(node_page_state(nid, NR_ANON_PAGES) - + node_page_state(nid, NR_ANON_TRANSPARENT_HUGEPAGES) * - HPAGE_PMD_NR), -#else nid, K(node_page_state(nid, NR_ANON_PAGES)), -#endif nid, K(node_page_state(nid, NR_SHMEM)), nid, node_page_state(nid, NR_KERNEL_STACK) * THREAD_SIZE / 1024, @@ -604,7 +599,11 @@ int register_one_node(int nid) void unregister_one_node(int nid) { + if (!node_devices[nid]) + return; + unregister_node(node_devices[nid]); + kfree(node_devices[nid]); node_devices[nid] = NULL; } @@ -683,8 +682,11 @@ static int __init register_node_type(void) ret = subsys_system_register(&node_subsys, cpu_root_attr_groups); if (!ret) { - hotplug_memory_notifier(node_memory_callback, - NODE_CALLBACK_PRI); + static struct notifier_block node_memory_callback_nb = { + .notifier_call = node_memory_callback, + .priority = NODE_CALLBACK_PRI, + }; + register_hotmemory_notifier(&node_memory_callback_nb); } /* |