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Date:	Thu, 11 Apr 2013 18:13:36 -0700
From:	Cody P Schafer <cody@...ux.vnet.ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Mel Gorman <mgorman@...e.de>, Linux MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Cody P Schafer <cody@...ux.vnet.ibm.com>,
	Simon Jeons <simon.jeons@...il.com>
Subject: [RFC PATCH v2 04/25] memory_hotplug: export ensure_zone_is_initialized() in mm/internal.h

Export ensure_zone_is_initialized() so that it can be used to initialize
new zones within the dynamic numa code.

Signed-off-by: Cody P Schafer <cody@...ux.vnet.ibm.com>
---
 mm/internal.h       | 8 ++++++++
 mm/memory_hotplug.c | 2 +-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/mm/internal.h b/mm/internal.h
index 8562de0..b11e574 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -105,6 +105,14 @@ extern void prep_compound_page(struct page *page, unsigned long order);
 extern bool is_free_buddy_page(struct page *page);
 #endif
 
+#ifdef CONFIG_MEMORY_HOTPLUG
+/*
+ * in mm/memory_hotplug.c
+ */
+extern int ensure_zone_is_initialized(struct zone *zone,
+			unsigned long start_pfn, unsigned long num_pages);
+#endif
+
 #if defined CONFIG_COMPACTION || defined CONFIG_CMA
 
 /*
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 8f4d8d3..df04c36 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -284,7 +284,7 @@ static void fix_zone_id(struct zone *zone, unsigned long start_pfn,
 
 /* Can fail with -ENOMEM from allocating a wait table with vmalloc() or
  * alloc_bootmem_node_nopanic() */
-static int __ref ensure_zone_is_initialized(struct zone *zone,
+int __ref ensure_zone_is_initialized(struct zone *zone,
 			unsigned long start_pfn, unsigned long num_pages)
 {
 	if (!zone_is_initialized(zone))
-- 
1.8.2.1

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