[PATCH] mm/page_alloc: put __free_pages_core() in __meminit section

[PATCH] mm/page_alloc: put __free_pages_core() in __meminit section

[Wei Yang]

Function __free_pages_core() is only used in bootmem init and hot-add
memory init path. Let's put it in __meminit section.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
---
 mm/memory_hotplug.c | 3 ++-
 mm/page_alloc.c     | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index fae1da27f0d7..66267c26ca1b 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -628,7 +628,8 @@ int restore_online_page_callback(online_page_callback_t callback)
 }
 EXPORT_SYMBOL_GPL(restore_online_page_callback);
 
-void generic_online_page(struct page *page, unsigned int order)
+/* we are OK calling __meminit stuff here - we have CONFIG_MEMORY_HOTPLUG */
+void __ref generic_online_page(struct page *page, unsigned int order)
 {
 	__free_pages_core(page, order, MEMINIT_HOTPLUG);
 }
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3f3d83def9be..116ee33fd1ce 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1219,7 +1219,7 @@ static void __free_pages_ok(struct page *page, unsigned int order,
 	__count_vm_events(PGFREE, 1 << order);
 }
 
-void __free_pages_core(struct page *page, unsigned int order,
+void __meminit __free_pages_core(struct page *page, unsigned int order,
 		enum meminit_context context)
 {
 	unsigned int nr_pages = 1 << order;
-- 
2.34.1