Commit eafd296e authored by Liu Shixin's avatar Liu Shixin Committed by Andrew Morton
Browse files

memory: remove unused register_hotmemory_notifier() 

Remove unused register_hotmemory_notifier().

Link: https://lkml.kernel.org/r/20220923033347.3935160-8-liushixin2@huawei.com


Signed-off-by: default avatarLiu Shixin <liushixin2@huawei.com>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Waiman Long <longman@redhat.com>
Cc: zefan li <lizefan.x@bytedance.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 82f8661a

include/linux/memory.h

+0 −6
Original line number Diff line number Diff line
@@ -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,