+ workqueues-make-get_online_cpus-useable-for-work-func-fix.patch added to -mm tree

[akpm@linux-foundation.org]

The patch titled
     workqueues-make-get_online_cpus-useable-for-work-func-fix
has been added to the -mm tree.  Its filename is
     workqueues-make-get_online_cpus-useable-for-work-func-fix.patch

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------------------------------------------------------
Subject: workqueues-make-get_online_cpus-useable-for-work-func-fix
From: Andrew Morton <akpm@linux-foundation.org>

Fix CONFIG_SMP=n.

Cc: Gautham R Shenoy <ego@in.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Max Krasnyansky <maxk@qualcomm.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Paul Jackson <pj@sgi.com>
Cc: Paul Menage <menage@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 include/linux/cpu.h |   15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff -puN include/linux/cpu.h~workqueues-make-get_online_cpus-useable-for-work-func-fix include/linux/cpu.h
--- a/include/linux/cpu.h~workqueues-make-get_online_cpus-useable-for-work-func-fix
+++ a/include/linux/cpu.h
@@ -69,10 +69,11 @@ static inline void unregister_cpu_notifi
 #endif
 
 int cpu_up(unsigned int cpu);
-
 extern void cpu_hotplug_init(void);
+extern void cpu_maps_update_begin(void);
+extern void cpu_maps_update_done(void);
 
-#else
+#else	/* CONFIG_SMP */
 
 static inline int register_cpu_notifier(struct notifier_block *nb)
 {
@@ -87,10 +88,16 @@ static inline void cpu_hotplug_init(void
 {
 }
 
+static inline void cpu_maps_update_begin(void)
+{
+}
+
+static inline void cpu_maps_update_done(void)
+{
+}
+
 #endif /* CONFIG_SMP */
 extern struct sysdev_class cpu_sysdev_class;
-extern void cpu_maps_update_begin(void);
-extern void cpu_maps_update_done(void);
 
 #ifdef CONFIG_HOTPLUG_CPU
 /* Stop CPUs going up and down. */
_

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