From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Move the definitions of offline_pages() and remove_memory()
for CONFIG_MEMORY_HOTREMOVE to memory_hotplug.h, where they belong,
and make them static inline.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
---
On top of the linux-next branch of the linux-pm.git tree.
Please let me know if there are any objections.
Thanks,
Rafael
---
include/linux/memory_hotplug.h | 9 +++++++++
mm/memory_hotplug.c | 8 +-------
2 files changed, 10 insertions(+), 7 deletions(-)
Index: linux-pm/include/linux/memory_hotplug.h
===================================================================
--- linux-pm.orig/include/linux/memory_hotplug.h
+++ linux-pm/include/linux/memory_hotplug.h
@@ -234,6 +234,8 @@ static inline void unlock_memory_hotplug
extern int is_mem_section_removable(unsigned long pfn, unsigned long nr_pages);
extern void try_offline_node(int nid);
+extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages);
+extern void remove_memory(int nid, u64 start, u64 size);
#else
static inline int is_mem_section_removable(unsigned long pfn,
@@ -243,6 +245,13 @@ static inline int is_mem_section_removab
}
static inline void try_offline_node(int nid) {}
+
+static inline int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
+{
+ return -EINVAL;
+}
+
+static inline void remove_memory(int nid, u64 start, u64 size) {}
#endif /* CONFIG_MEMORY_HOTREMOVE */
extern int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn,
Index: linux-pm/mm/memory_hotplug.c
===================================================================
--- linux-pm.orig/mm/memory_hotplug.c
+++ linux-pm/mm/memory_hotplug.c
@@ -1825,11 +1825,5 @@ void __ref remove_memory(int nid, u64 st
unlock_memory_hotplug();
}
-#else
-int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
-{
- return -EINVAL;
-}
-void remove_memory(int nid, u64 start, u64 size) {}
-#endif /* CONFIG_MEMORY_HOTREMOVE */
EXPORT_SYMBOL_GPL(remove_memory);
+#endif /* CONFIG_MEMORY_HOTREMOVE */
--
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