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authorJiri Kosina <jkosina@suse.cz>2010-12-10 15:19:18 +0100
committerJiri Kosina <jkosina@suse.cz>2010-12-10 15:19:18 +0100
commit2ade0c1d9d93b7642212657ef76f4a1e30233711 (patch)
tree63bc720c0ffe5f4760cac4ed617b9870b050175e /include/linux/memory_hotplug.h
parent504499f22c08a03e2e19dc88d31aa0ecd2ac815e (diff)
parent6313e3c21743cc88bb5bd8aa72948ee1e83937b6 (diff)
Merge branch 'master' into upstream
Diffstat (limited to 'include/linux/memory_hotplug.h')
-rw-r--r--include/linux/memory_hotplug.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h
index 864035fb8f8a..31c237a00c48 100644
--- a/include/linux/memory_hotplug.h
+++ b/include/linux/memory_hotplug.h
@@ -70,6 +70,10 @@ extern void online_page(struct page *page);
extern int online_pages(unsigned long, unsigned long);
extern void __offline_isolated_pages(unsigned long, unsigned long);
+#ifdef CONFIG_MEMORY_HOTREMOVE
+extern bool is_pageblock_removable_nolock(struct page *page);
+#endif /* CONFIG_MEMORY_HOTREMOVE */
+
/* reasonably generic interface to expand the physical pages in a zone */
extern int __add_pages(int nid, struct zone *zone, unsigned long start_pfn,
unsigned long nr_pages);
@@ -157,6 +161,9 @@ extern void register_page_bootmem_info_node(struct pglist_data *pgdat);
extern void put_page_bootmem(struct page *page);
#endif
+void lock_memory_hotplug(void);
+void unlock_memory_hotplug(void);
+
#else /* ! CONFIG_MEMORY_HOTPLUG */
/*
* Stub functions for when hotplug is off
@@ -188,6 +195,9 @@ static inline void register_page_bootmem_info_node(struct pglist_data *pgdat)
{
}
+static inline void lock_memory_hotplug(void) {}
+static inline void unlock_memory_hotplug(void) {}
+
#endif /* ! CONFIG_MEMORY_HOTPLUG */
#ifdef CONFIG_MEMORY_HOTREMOVE