[Resend with Ack][PATCH] mm: remove CONFIG_HOTPLUG ifdefs

[Yijing Wang]

CONFIG_HOTPLUG is going away as an option, cleanup CONFIG_HOTPLUG
ifdefs in mm files.

Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Hugh Dickins <hughd@xxxxxxxxxx>
Cc: Bill Pemberton <wfp5p@xxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 include/linux/vmstat.h |    7 +------
 mm/vmstat.c            |    2 --
 2 files changed, 1 insertions(+), 8 deletions(-)

diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index 5fd71a7..c586679 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -48,13 +48,8 @@ static inline void count_vm_events(enum vm_event_item item, long delta)
 }
 
 extern void all_vm_events(unsigned long *);
-#ifdef CONFIG_HOTPLUG
+
 extern void vm_events_fold_cpu(int cpu);
-#else
-static inline void vm_events_fold_cpu(int cpu)
-{
-}
-#endif
 
 #else
 
diff --git a/mm/vmstat.c b/mm/vmstat.c
index e1d8ed1..c823776 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -52,7 +52,6 @@ void all_vm_events(unsigned long *ret)
 }
 EXPORT_SYMBOL_GPL(all_vm_events);
 
-#ifdef CONFIG_HOTPLUG
 /*
  * Fold the foreign cpu events into our own.
  *
@@ -69,7 +68,6 @@ void vm_events_fold_cpu(int cpu)
 		fold_state->event[i] = 0;
 	}
 }
-#endif /* CONFIG_HOTPLUG */
 
 #endif /* CONFIG_VM_EVENT_COUNTERS */
 
-- 
1.7.1


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