The function unregister_node() is only called from unregister_one_node(). This patch folds unregister_node() into its only caller and renames unregister_one_node() to unregister_node().
This reduces unnecessary indirection and simplifies the code structure. No functional changes are introduced. Acked-by: David Hildenbrand <[email protected]> Acked-by: Mike Rapoport (Microsoft) <[email protected]> Signed-off-by: Donet Tom <[email protected]> --- drivers/base/node.c | 38 +++++++++++++++++--------------------- include/linux/node.h | 6 ++---- mm/memory_hotplug.c | 4 ++-- 3 files changed, 21 insertions(+), 27 deletions(-) diff --git a/drivers/base/node.c b/drivers/base/node.c index 4bcaa8006cd6..758b777dec1f 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -676,23 +676,6 @@ static void node_device_release(struct device *dev) kfree(to_node(dev)); } -/** - * unregister_node - unregister a node device - * @node: node going away - * - * Unregisters a node device @node. All the devices on the node must be - * unregistered before calling this function. - */ -void unregister_node(struct node *node) -{ - hugetlb_unregister_node(node); - compaction_unregister_node(node); - reclaim_unregister_node(node); - node_remove_accesses(node); - node_remove_caches(node); - device_unregister(&node->dev); -} - struct node *node_devices[MAX_NUMNODES]; /* @@ -924,13 +907,26 @@ int register_node(int nid) return error; } - -void unregister_one_node(int nid) +/** + * unregister_node - unregister a node device + * @nid: nid of the node going away + * + * Unregisters the node device at node id @nid. All the devices on the + * node must be unregistered before calling this function. + */ +void unregister_node(int nid) { - if (!node_devices[nid]) + struct node *node = node_devices[nid]; + + if (!node) return; - unregister_node(node_devices[nid]); + hugetlb_unregister_node(node); + compaction_unregister_node(node); + reclaim_unregister_node(node); + node_remove_accesses(node); + node_remove_caches(node); + device_unregister(&node->dev); node_devices[nid] = NULL; } diff --git a/include/linux/node.h b/include/linux/node.h index b7028d3ec3b4..0269b064ba65 100644 --- a/include/linux/node.h +++ b/include/linux/node.h @@ -132,8 +132,6 @@ static inline void register_memory_blocks_under_nodes(void) } #endif -extern void unregister_node(struct node *node); - struct node_notify { int nid; }; @@ -177,7 +175,7 @@ static inline int hotplug_node_notifier(notifier_fn_t fn, int pri) extern void node_dev_init(void); /* Core of the node registration - only memory hotplug should use this */ int register_node(int nid); -extern void unregister_one_node(int nid); +void unregister_node(int nid); extern int register_cpu_under_node(unsigned int cpu, unsigned int nid); extern int unregister_cpu_under_node(unsigned int cpu, unsigned int nid); extern void unregister_memory_block_under_nodes(struct memory_block *mem_blk); @@ -193,7 +191,7 @@ static inline int register_node(int nid) { return 0; } -static inline int unregister_one_node(int nid) +static inline int unregister_node(int nid) { return 0; } diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 6c050d867031..94a8f6e8811a 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1596,7 +1596,7 @@ int add_memory_resource(int nid, struct resource *res, mhp_t mhp_flags) error: if (new_node) { node_set_offline(nid); - unregister_one_node(nid); + unregister_node(nid); } error_memblock_remove: if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK)) @@ -2201,7 +2201,7 @@ void try_offline_node(int nid) * node now. */ node_set_offline(nid); - unregister_one_node(nid); + unregister_node(nid); } EXPORT_SYMBOL(try_offline_node); -- 2.47.1
