[PATCH v4 5/8] mm/mm_init.c: use hotplug_memory_notifier() directly

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Since patch 316346243be6 has already updated the minimum gcc version to 5.1.
The previous problem mentioned in patch f02c69680088 is not existed. So we
can now revert to use hotplug_memory_notifier() directly rather than
register_hotmemory_notifier().

Signed-off-by: Liu Shixin <liushixin2@xxxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
---
 mm/mm_init.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/mm/mm_init.c b/mm/mm_init.c
index 0d7b2bd2454a..44aadc162d1f 100644
--- a/mm/mm_init.c
+++ b/mm/mm_init.c
@@ -178,16 +178,10 @@ static int __meminit mm_compute_batch_notifier(struct notifier_block *self,
 	return NOTIFY_OK;
 }
 
-static struct notifier_block compute_batch_nb __meminitdata = {
-	.notifier_call = mm_compute_batch_notifier,
-	.priority = IPC_CALLBACK_PRI, /* use lowest priority */
-};
-
 static int __init mm_compute_batch_init(void)
 {
 	mm_compute_batch(sysctl_overcommit_memory);
-	register_hotmemory_notifier(&compute_batch_nb);
-
+	hotplug_memory_notifier(mm_compute_batch_notifier, IPC_CALLBACK_PRI);
 	return 0;
 }
 
-- 
2.25.1





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