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[v11,5/6] mm: export symbol of next_zone and first_online_pgdat

Message ID 1497004901-30593-6-git-send-email-wei.w.wang@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Wang, Wei W June 9, 2017, 10:41 a.m. UTC
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(+)
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Patch

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)
 {