summaryrefslogtreecommitdiff
path: root/include/linux/memory_hotplug.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2014-11-12 15:09:01 +0100
committerIngo Molnar <mingo@kernel.org>2014-11-12 15:09:01 +0100
commit890ca861f868a10617029ffc87eae7d48ea6876c (patch)
tree713383f4e3bbd94ddb9816a25e6b3911511908f1 /include/linux/memory_hotplug.h
parent03452d27c6cd9cebb59a6bb0fb6bd8557916c263 (diff)
parent206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff)
downloadkernel-890ca861f868a10617029ffc87eae7d48ea6876c.tar.gz
Merge tag 'v3.18-rc4' into x86/cleanups, to refresh the tree before pulling new changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/memory_hotplug.h')
-rw-r--r--include/linux/memory_hotplug.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 010d125bffbf..8f1a41951df9 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -26,11 +26,12 @@ enum {
MEMORY_HOTPLUG_MAX_BOOTMEM_TYPE = NODE_INFO,
};
-/* Types for control the zone type of onlined memory */
+/* Types for control the zone type of onlined and offlined memory */
enum {
- ONLINE_KEEP,
- ONLINE_KERNEL,
- ONLINE_MOVABLE,
+ MMOP_OFFLINE = -1,
+ MMOP_ONLINE_KEEP,
+ MMOP_ONLINE_KERNEL,
+ MMOP_ONLINE_MOVABLE,
};
/*
@@ -83,6 +84,7 @@ 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, int);
+extern int test_pages_in_a_zone(unsigned long, unsigned long);
extern void __offline_isolated_pages(unsigned long, unsigned long);
typedef void (*online_page_callback_t)(struct page *page);
@@ -258,6 +260,7 @@ static inline void remove_memory(int nid, u64 start, u64 size) {}
extern int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn,
void *arg, int (*func)(struct memory_block *, void *));
extern int add_memory(int nid, u64 start, u64 size);
+extern int zone_for_memory(int nid, u64 start, u64 size, int zone_default);
extern int arch_add_memory(int nid, u64 start, u64 size);
extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages);
extern bool is_memblock_offlined(struct memory_block *mem);