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 <c...@linux.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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