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| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2011-01-13 12:45:18 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2011-01-13 12:45:18 +1100 |
| commit | a6d5cbeb43de3908399823644fd391b13eb240e7 (patch) | |
| tree | fdeda89dc11dec40bfd40bde540b1d4f9e2156ee /include | |
| parent | 663ca1fcb84f6b39bcdbf9197aa28167845e65ad (diff) | |
| parent | 06ab9b76ecf2e4796b0b5a88f673cb693b4448d5 (diff) | |
Merge remote branch 'slab/for-next'
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/memory_hotplug.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 31c237a00c48..12b9eb5a36c3 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -161,6 +161,12 @@ extern void register_page_bootmem_info_node(struct pglist_data *pgdat); extern void put_page_bootmem(struct page *page); #endif +/* + * Lock for memory hotplug guarantees 1) all callbacks for memory hotplug + * notifier will be called under this. 2) offline/online/add/remove memory + * will not run simultaneously. + */ + void lock_memory_hotplug(void); void unlock_memory_hotplug(void); |