cpumask: fix unused variable warning on CONFIG_NUMA=n Here's the warning: arch/x86/kernel/cpu/intel_cacheinfo.c: In function 'show_cache_disable': arch/x86/kernel/cpu/intel_cacheinfo.c:725: warning: unused variable 'mask' arch/x86/kernel/cpu/intel_cacheinfo.c: In function 'store_cache_disable': arch/x86/kernel/cpu/intel_cacheinfo.c:760: warning: unused variable 'mask' Signed-off-by: Rusty Russell --- arch/x86/include/asm/topology.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h --- a/arch/x86/include/asm/topology.h +++ b/arch/x86/include/asm/topology.h @@ -164,7 +164,10 @@ extern int __node_distance(int, int); #else /* !CONFIG_NUMA */ #define numa_node_id() 0 -#define cpu_to_node(cpu) 0 +static inline int cpu_to_node(int cpu) +{ + return 0; +} #define early_cpu_to_node(cpu) 0 static inline const cpumask_t *cpumask_of_node(int node)