[PATCH] mm: memory_hotplug: fix build error

[Bob Liu <lliubbo@gmail.com>]

Fix below build error(and comment):
mm/memory_hotplug.c:646:14: error: ‘ZONE_HIGH’ undeclared (first use in this
function)
mm/memory_hotplug.c:646:14: note: each undeclared identifier is reported
only once for each function it appears in
make[1]: *** [mm/memory_hotplug.o] Error 1

Signed-off-by: Bob Liu <lliubbo@gmail.com>
---
 mm/memory_hotplug.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index ea71d0d..9e97530 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -636,14 +636,14 @@ static void node_states_check_changes_online(unsigned long nr_pages,
 #ifdef CONFIG_HIGHMEM
 	/*
 	 * If we have movable node, node_states[N_HIGH_MEMORY]
-	 * contains nodes which have zones of 0...ZONE_HIGH,
-	 * set zone_last to ZONE_HIGH.
+	 * contains nodes which have zones of 0...ZONE_HIGHMEM,
+	 * set zone_last to ZONE_HIGHMEM.
 	 *
 	 * If we don't have movable node, node_states[N_NORMAL_MEMORY]
 	 * contains nodes which have zones of 0...ZONE_MOVABLE,
 	 * set zone_last to ZONE_MOVABLE.
 	 */
-	zone_last = ZONE_HIGH;
+	zone_last = ZONE_HIGHMEM;
 	if (N_MEMORY == N_HIGH_MEMORY)
 		zone_last = ZONE_MOVABLE;
 
-- 
1.7.9.5


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