diff options
| author | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-29 14:59:09 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2013-01-29 15:10:15 -0800 |
| commit | de65d816aa44f9ddd79861ae21d75010cc1fd003 (patch) | |
| tree | 04a637a43b2e52a733d0dcb7595a47057571e7da /include/linux/memory_hotplug.h | |
| parent | 9710f581bb4c35589ac046b0cfc0deb7f369fc85 (diff) | |
| parent | 5dcd14ecd41ea2b3ae3295a9b30d98769d52165f (diff) | |
Merge remote-tracking branch 'origin/x86/boot' into x86/mm2
Coming patches to x86/mm2 require the changes and advanced baseline in
x86/boot.
Resolved Conflicts:
arch/x86/kernel/setup.c
mm/nobootmem.c
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'include/linux/memory_hotplug.h')
| -rw-r--r-- | include/linux/memory_hotplug.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 95573ec4ee6c..4a45c4e50025 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -26,6 +26,13 @@ enum { MEMORY_HOTPLUG_MAX_BOOTMEM_TYPE = NODE_INFO, }; +/* Types for control the zone type of onlined memory */ +enum { + ONLINE_KEEP, + ONLINE_KERNEL, + ONLINE_MOVABLE, +}; + /* * pgdat resizing functions */ @@ -46,6 +53,10 @@ void pgdat_resize_init(struct pglist_data *pgdat) } /* * Zone resizing functions + * + * Note: any attempt to resize a zone should has pgdat_resize_lock() + * zone_span_writelock() both held. This ensure the size of a zone + * can't be changed while pgdat_resize_lock() held. */ static inline unsigned zone_span_seqbegin(struct zone *zone) { @@ -71,7 +82,7 @@ extern int zone_grow_free_lists(struct zone *zone, unsigned long new_nr_pages); extern int zone_grow_waitqueues(struct zone *zone, unsigned long nr_pages); extern int add_one_highpage(struct page *page, int pfn, int bad_ppro); /* VM interface that may be used by firmware interface */ -extern int online_pages(unsigned long, unsigned long); +extern int online_pages(unsigned long, unsigned long, int); extern void __offline_isolated_pages(unsigned long, unsigned long); typedef void (*online_page_callback_t)(struct page *page); |