Solve section mismatch for free_area_init_core.

[sfrench/cifs-2.6.git] / mm / internal.h

diff --git a/mm/internal.h b/mm/internal.h
index a3110c02aea7d4b6f8edbd06e5a06477d3c2fc8b..789727309f4d52ae03ce7f687dce1fac6bcfa383 100644 (file)
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -24,7 +24,7 @@ static inline void set_page_count(struct page *page, int v)
  */
 static inline void set_page_refcounted(struct page *page)
 {
-       VM_BUG_ON(PageCompound(page) && PageTail(page));
+       VM_BUG_ON(PageTail(page));
        VM_BUG_ON(atomic_read(&page->_count));
        set_page_count(page, 1);
 }
@@ -34,7 +34,30 @@ static inline void __put_page(struct page *page)
        atomic_dec(&page->_count);
 }
 
-extern void fastcall __init __free_pages_bootmem(struct page *page,
+extern void __init __free_pages_bootmem(struct page *page,
                                                unsigned int order);
 
+/*
+ * function for dealing with page's order in buddy system.
+ * zone->lock is already acquired when we use these.
+ * So, we don't need atomic page->flags operations here.
+ */
+static inline unsigned long page_order(struct page *page)
+{
+       VM_BUG_ON(!PageBuddy(page));
+       return page_private(page);
+}
+
+/*
+ * FLATMEM and DISCONTIGMEM configurations use alloc_bootmem_node,
+ * so all functions starting at paging_init should be marked __init
+ * in those cases. SPARSEMEM, however, allows for memory hotplug,
+ * and alloc_bootmem_node is not used.
+ */
+#ifdef CONFIG_SPARSEMEM
+#define __paginginit __meminit
+#else
+#define __paginginit __init
+#endif
+
 #endif