--- zzzz-none-000/linux-4.1.52/include/linux/memory_hotplug.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/linux/memory_hotplug.h	2022-03-02 11:37:13.000000000 +0000
@@ -199,21 +199,25 @@
 /*
  * Stub functions for when hotplug is off
  */
-static inline void pgdat_resize_lock(struct pglist_data *p, unsigned long *f) {}
-static inline void pgdat_resize_unlock(struct pglist_data *p, unsigned long *f) {}
-static inline void pgdat_resize_init(struct pglist_data *pgdat) {}
+static inline void pgdat_resize_lock(struct pglist_data *p __maybe_unused,
+				     unsigned long *f __maybe_unused) {}
+static inline void pgdat_resize_unlock(struct pglist_data *p __maybe_unused,
+				       unsigned long *f __maybe_unused) {}
+static inline void pgdat_resize_init(struct pglist_data *pgdat __maybe_unused)
+{}
 
-static inline unsigned zone_span_seqbegin(struct zone *zone)
+static inline unsigned zone_span_seqbegin(struct zone *zone __maybe_unused)
 {
 	return 0;
 }
-static inline int zone_span_seqretry(struct zone *zone, unsigned iv)
+static inline int zone_span_seqretry(struct zone *zone __maybe_unused,
+				     unsigned iv __maybe_unused)
 {
 	return 0;
 }
-static inline void zone_span_writelock(struct zone *zone) {}
-static inline void zone_span_writeunlock(struct zone *zone) {}
-static inline void zone_seqlock_init(struct zone *zone) {}
+static inline void zone_span_writelock(struct zone *zone __maybe_unused) {}
+static inline void zone_span_writeunlock(struct zone *zone __maybe_unused) {}
+static inline void zone_seqlock_init(struct zone *zone __maybe_unused) {}
 
 static inline int mhp_notimplemented(const char *func)
 {
@@ -222,11 +226,12 @@
 	return -ENOSYS;
 }
 
-static inline void register_page_bootmem_info_node(struct pglist_data *pgdat)
+static inline void register_page_bootmem_info_node(struct pglist_data *pgdat
+						   __maybe_unused)
 {
 }
 
-static inline int try_online_node(int nid)
+static inline int try_online_node(int nid __maybe_unused)
 {
 	return 0;
 }
@@ -247,20 +252,20 @@
 extern void remove_memory(int nid, u64 start, u64 size);
 
 #else
-static inline int is_mem_section_removable(unsigned long pfn,
-					unsigned long nr_pages)
+static inline int is_mem_section_removable(unsigned long pfn __maybe_unused,
+					unsigned long nr_pages __maybe_unused)
 {
 	return 0;
 }
 
-static inline void try_offline_node(int nid) {}
+static inline void try_offline_node(int nid __maybe_unused) {}
 
-static inline int offline_pages(unsigned long start_pfn, unsigned long nr_pages)
+static inline int offline_pages(unsigned long start_pfn __maybe_unused, unsigned long nr_pages __maybe_unused)
 {
 	return -EINVAL;
 }
 
-static inline void remove_memory(int nid, u64 start, u64 size) {}
+static inline void remove_memory(int nid __maybe_unused, u64 start __maybe_unused, u64 size __maybe_unused) {}
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 
 extern int walk_memory_range(unsigned long start_pfn, unsigned long end_pfn,