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authorChristoph Lameter <clameter@sgi.com>2008-02-27 11:07:10 -0800
committerChristoph Lameter <clameter@sgi.com>2008-02-27 11:07:10 -0800
commit9ef64cb4320df821638b508f79aa8b858cca99f0 (patch)
tree4efbf0854234f89c6f4413077ec795fc669b5b0a /mm/internal.h
parent6f157c1d268d5888ca44c589dccd01729c4172f6 (diff)
parent7704a8b6fc4a8f51599eb2af4dcf1e2ac9c7e576 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'mm/internal.h')
-rw-r--r--mm/internal.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 5a9a6200e03..789727309f4 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -47,4 +47,17 @@ 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