From: Greg Banks <gnb@melbourne.sgi.com>

cpumask: ensure that the cpu_online_map and cpu_possible_map bitmasks, and
hence all the macros in <linux/cpumask.h> that require them, are available to
modules for all supported combinations of architecture and CONFIG_SMP.

Signed-off-by: Greg Banks <gnb@melbourne.sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---


diff -puN arch/arm/kernel/smp.c~cpumask-export-cpu_online_map-and-cpu_possible_map arch/arm/kernel/smp.c
--- a/arch/arm/kernel/smp.c~cpumask-export-cpu_online_map-and-cpu_possible_map
+++ a/arch/arm/kernel/smp.c
@@ -36,7 +36,9 @@
  * The online bitmask indicates that the CPU is up and running.
  */
 cpumask_t cpu_possible_map;
+EXPORT_SYMBOL(cpu_possible_map);
 cpumask_t cpu_online_map;
+EXPORT_SYMBOL(cpu_online_map);
 
 /*
  * as from 2.5, kernels no longer have an init_tasks structure
diff -puN arch/cris/arch-v32/kernel/smp.c~cpumask-export-cpu_online_map-and-cpu_possible_map arch/cris/arch-v32/kernel/smp.c
--- a/arch/cris/arch-v32/kernel/smp.c~cpumask-export-cpu_online_map-and-cpu_possible_map
+++ a/arch/cris/arch-v32/kernel/smp.c
@@ -28,6 +28,7 @@ spinlock_t cris_atomic_locks[] = { [0 ..
 
 /* CPU masks */
 cpumask_t cpu_online_map = CPU_MASK_NONE;
+EXPORT_SYMBOL(cpu_online_map);
 cpumask_t phys_cpu_present_map = CPU_MASK_NONE;
 EXPORT_SYMBOL(phys_cpu_present_map);
 
diff -puN arch/sh/kernel/smp.c~cpumask-export-cpu_online_map-and-cpu_possible_map arch/sh/kernel/smp.c
--- a/arch/sh/kernel/smp.c~cpumask-export-cpu_online_map-and-cpu_possible_map
+++ a/arch/sh/kernel/smp.c
@@ -42,6 +42,7 @@ cpumask_t cpu_possible_map;
 EXPORT_SYMBOL(cpu_possible_map);
 
 cpumask_t cpu_online_map;
+EXPORT_SYMBOL(cpu_online_map);
 static atomic_t cpus_booted = ATOMIC_INIT(0);
 
 /* These are defined by the board-specific code. */
diff -puN kernel/sched.c~cpumask-export-cpu_online_map-and-cpu_possible_map kernel/sched.c
--- a/kernel/sched.c~cpumask-export-cpu_online_map-and-cpu_possible_map
+++ a/kernel/sched.c
@@ -4347,7 +4347,10 @@ EXPORT_SYMBOL(cpu_present_map);
 
 #ifndef CONFIG_SMP
 cpumask_t cpu_online_map __read_mostly = CPU_MASK_ALL;
+EXPORT_SYMBOL(cpu_online_map);
+
 cpumask_t cpu_possible_map __read_mostly = CPU_MASK_ALL;
+EXPORT_SYMBOL(cpu_possible_map);
 #endif
 
 long sched_getaffinity(pid_t pid, cpumask_t *mask)
_