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From:   Liu Shixin <liushixin2@huawei.com>
To:     Andrew Morton <akpm@linux-foundation.org>,
        David Hildenbrand <david@redhat.com>,
        Waiman Long <longman@redhat.com>,
        Zefan Li <lizefan.x@bytedance.com>,
        Christoph Lameter <cl@linux.com>
CC:     <linux-mm@kvack.org>, <linux-kernel@vger.kernel.org>,
        Liu Shixin <liushixin2@huawei.com>,
        Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH v4 7/8] memory: remove unused register_hotmemory_notifier()
Date:   Fri, 23 Sep 2022 11:33:46 +0800
Message-ID: <20220923033347.3935160-8-liushixin2@huawei.com>
In-Reply-To: <20220923033347.3935160-1-liushixin2@huawei.com>
References: <20220923033347.3935160-1-liushixin2@huawei.com>
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Remove unused register_hotmemory_notifier().

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
---
 include/linux/memory.h | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/include/linux/memory.h b/include/linux/memory.h
index aa619464a1df..98d2a2ebcc10 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -19,7 +19,6 @@
 #include <linux/node.h>
 #include <linux/compiler.h>
 #include <linux/mutex.h>
-#include <linux/notifier.h>
 
 #define MIN_MEMORY_BLOCK_SIZE     (1UL << SECTION_SIZE_BITS)
 
@@ -136,9 +135,6 @@ static inline int hotplug_memory_notifier(notifier_fn_t fn, int pri)
 {
 	return 0;
 }
-/* These aren't inline functions due to a GCC bug. */
-#define register_hotmemory_notifier(nb)    ({ (void)(nb); 0; })
-#define unregister_hotmemory_notifier(nb)  ({ (void)(nb); })
 #else /* CONFIG_MEMORY_HOTPLUG */
 extern int register_memory_notifier(struct notifier_block *nb);
 extern void unregister_memory_notifier(struct notifier_block *nb);
@@ -166,8 +162,6 @@ int walk_dynamic_memory_groups(int nid, walk_memory_groups_func_t func,
 		{ .notifier_call = fn, .priority = pri };\
 	register_memory_notifier(&fn##_mem_nb);			\
 })
-#define register_hotmemory_notifier(nb)		register_memory_notifier(nb)
-#define unregister_hotmemory_notifier(nb) 	unregister_memory_notifier(nb)
 
 #ifdef CONFIG_NUMA
 void memory_block_add_nid(struct memory_block *mem, int nid,
-- 
2.25.1