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* [patch 081/158] include/linux/memory_hotplug.h: move definitions of {set,clear}_zone_contiguous
@ 2019-12-01  1:54 akpm
  0 siblings, 0 replies; only message in thread
From: akpm @ 2019-12-01  1:54 UTC (permalink / raw)
  To: akpm, ben.dooks, david, linux-mm, mhocko, mm-commits, torvalds

From: "Ben Dooks (Codethink)" <ben.dooks@codethink.co.uk>
Subject: include/linux/memory_hotplug.h: move definitions of {set,clear}_zone_contiguous

The {set,clear}_zone_contiguous are built whatever the configuratoon so
move the definitions outside the current ifdef to avoid the following
compiler warnings:

mm/page_alloc.c:1550:6: warning: no previous prototype for 'set_zone_contiguous' [-Wmissing-prototypes]
mm/page_alloc.c:1571:6: warning: no previous prototype for 'clear_zone_contiguous' [-Wmissing-prototypes]

Link: http://lkml.kernel.org/r/20191106123911.7435-1-ben.dooks@codethink.co.uk
Signed-off-by: Ben Dooks (Codethink) <ben.dooks@codethink.co.uk>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/memory_hotplug.h |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/include/linux/memory_hotplug.h~mm-memory_hotplug-move-definitions-of-setclear_zone_contiguous
+++ a/include/linux/memory_hotplug.h
@@ -228,9 +228,6 @@ void put_online_mems(void);
 void mem_hotplug_begin(void);
 void mem_hotplug_done(void);
 
-extern void set_zone_contiguous(struct zone *zone);
-extern void clear_zone_contiguous(struct zone *zone);
-
 #else /* ! CONFIG_MEMORY_HOTPLUG */
 #define pfn_to_online_page(pfn)			\
 ({						\
@@ -338,6 +335,9 @@ static inline int remove_memory(int nid,
 static inline void __remove_memory(int nid, u64 start, u64 size) {}
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 
+extern void set_zone_contiguous(struct zone *zone);
+extern void clear_zone_contiguous(struct zone *zone);
+
 extern void __ref free_area_init_core_hotplug(int nid);
 extern int __add_memory(int nid, u64 start, u64 size);
 extern int add_memory(int nid, u64 start, u64 size);
_


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2019-12-01  1:54 [patch 081/158] include/linux/memory_hotplug.h: move definitions of {set,clear}_zone_contiguous akpm

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