cpumask: cpu_coregroup_mask(): s390

Like cpu_coregroup_map, but returns a (const) pointer.

Compile-tested on s390 (defconfig).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Mike Travis <travis@sgi.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index d96c9164345..fff4a86c602 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -6,6 +6,7 @@
 #define mc_capable()    (1)
 
 cpumask_t cpu_coregroup_map(unsigned int cpu);
+const struct cpumask *cpu_coregroup_mask(unsigned int cpu);
 
 extern cpumask_t cpu_core_map[NR_CPUS];
 
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index a947899dcba..0601cd3231e 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -93,6 +93,11 @@ cpumask_t cpu_coregroup_map(unsigned int cpu)
         return mask;
 }
 
+const struct cpumask *cpu_coregroup_mask(unsigned int cpu)
+{
+        return &cpu_core_map[cpu];
+}
+
 static void add_cpus_to_core(struct tl_cpu *tl_cpu, struct core_info *core)
 {
         unsigned int cpu;