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[PATCH v10 5/6] mm: export symbol of next_zone and first_online_pgdat

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This patch enables for_each_zone()/for_each_populated_zone() to be
invoked by a kernel module.

Signed-off-by: Wei Wang <wei.w.wang@intel.com>
---
 mm/mmzone.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mm/mmzone.c b/mm/mmzone.c
index a51c0a6..08a2a3a 100644
--- a/mm/mmzone.c
+++ b/mm/mmzone.c
@@ -13,6 +13,7 @@ struct pglist_data *first_online_pgdat(void)
 {
 	return NODE_DATA(first_online_node);
 }
+EXPORT_SYMBOL_GPL(first_online_pgdat);
 
 struct pglist_data *next_online_pgdat(struct pglist_data *pgdat)
 {
@@ -41,6 +42,7 @@ struct zone *next_zone(struct zone *zone)
 	}
 	return zone;
 }
+EXPORT_SYMBOL_GPL(next_zone);
 
 static inline int zref_in_nodemask(struct zoneref *zref, nodemask_t *nodes)
 {
-- 
2.7.4

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[PATCH v10 0/6] Extend virtio-balloon for fast (de)inflating & fast live migration Wei Wang <wei.w.wang@intel.com> - 2017-05-04 11:00 +0200
  [PATCH v10 5/6] mm: export symbol of next_zone and first_online_pgdat Wei Wang <wei.w.wang@intel.com> - 2017-05-04 11:00 +0200
  [PATCH v10 3/6] virtio-balloon: VIRTIO_BALLOON_F_PAGE_CHUNKS Wei Wang <wei.w.wang@intel.com> - 2017-05-04 11:00 +0200
    Re: [PATCH v10 3/6] virtio-balloon: VIRTIO_BALLOON_F_PAGE_CHUNKS "Michael S. Tsirkin" <mst@redhat.com> - 2017-05-06 00:30 +0200
      RE: [PATCH v10 3/6] virtio-balloon: VIRTIO_BALLOON_F_PAGE_CHUNKS "Wang, Wei W" <wei.w.wang@intel.com> - 2017-05-07 23:50 +0200

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