diff options
| -rw-r--r-- | drivers/base/memory.c | 21 | ||||
| -rw-r--r-- | include/linux/memory_hotplug.h | 1 | ||||
| -rw-r--r-- | mm/memory_hotplug.c | 2 |
3 files changed, 1 insertions, 23 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c index c7092bc3c01e..4ebf97f99fae 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -728,27 +728,6 @@ int unregister_memory_section(struct mem_section *section) } #endif /* CONFIG_MEMORY_HOTREMOVE */ -/* - * offline one memory block. If the memory block has been offlined, do nothing. - * - * Call under device_hotplug_lock. - */ -int offline_memory_block(struct memory_block *mem) -{ - int ret = 0; - - mutex_lock(&mem->state_mutex); - if (mem->state != MEM_OFFLINE) { - ret = __memory_block_change_state_uevent(mem, MEM_OFFLINE, - MEM_ONLINE, -1); - if (!ret) - mem->dev.offline = true; - } - mutex_unlock(&mem->state_mutex); - - return ret; -} - /* return true if the memory block is offlined, otherwise, return false */ bool is_memblock_offlined(struct memory_block *mem) { diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 2975b7b2a9d8..ae5480a00963 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -251,7 +251,6 @@ extern int mem_online_node(int nid); extern int add_memory(int nid, u64 start, u64 size); extern int arch_add_memory(int nid, u64 start, u64 size); extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages); -extern int offline_memory_block(struct memory_block *mem); extern bool is_memblock_offlined(struct memory_block *mem); extern int remove_memory(int nid, u64 start, u64 size); extern int sparse_add_one_section(struct zone *zone, unsigned long start_pfn, diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 5ea1287ee91f..a39841d240e8 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1680,7 +1680,7 @@ int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn, static int offline_memory_block_cb(struct memory_block *mem, void *arg) { int *ret = arg; - int error = offline_memory_block(mem); + int error = device_offline(&mem->dev); if (error != 0 && *ret == 0) *ret = error; |