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[PATCH] fix vm_events_fold_cpu() build breakage 

fix vm_events_fold_cpu() build breakage

2.6.20-rc1 does not build properly if CONFIG_VM_EVENT_COUNTERS is set
and CONFIG_HOTPLUG is unset:

  CC      init/version.o
  LD      init/built-in.o
  LD      .tmp_vmlinux1
mm/built-in.o: In function `page_alloc_cpu_notify':
page_alloc.c:(.text+0x56eb): undefined reference to `vm_events_fold_cpu'
make: *** [.tmp_vmlinux1] Error 1

[akpm@osdl.org: cleanup]
Signed-off-by: Magnus Damm <magnus@valinux.co.jp>
Cc: Christoph Lameter <clameter@engr.sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Magnus Damm 2006-12-22 01:08:01 -08:00 committed by Linus Torvalds
parent 67af63a6ab
commit e903387f1e
1 changed files with 6 additions and 0 deletions
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6
include/linux/vmstat.h
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@ -74,7 +74,13 @@ 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