diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c index a28756ef7cef972dcfd8fff90b1f8a7a19ff5e4a..67e4e28f4df8d79d9b97d76b7e2ec0fbf794f5e1 100644 --- a/arch/x86_64/kernel/smpboot.c +++ b/arch/x86_64/kernel/smpboot.c @@ -59,6 +59,7 @@ #include #include #include +#include /* Number of siblings per CPU package */ int smp_num_siblings = 1; @@ -890,6 +891,7 @@ static int __cpuinit do_boot_cpu(int cpu, int apicid) if (boot_error) { cpu_clear(cpu, cpu_callout_map); /* was set here (do_boot_cpu()) */ clear_bit(cpu, &cpu_initialized); /* was set by cpu_init() */ + clear_node_cpumask(cpu); /* was set by numa_add_cpu */ cpu_clear(cpu, cpu_present_map); cpu_clear(cpu, cpu_possible_map); x86_cpu_to_apicid[cpu] = BAD_APICID; @@ -1187,6 +1189,7 @@ void remove_cpu_from_maps(void) cpu_clear(cpu, cpu_callout_map); cpu_clear(cpu, cpu_callin_map); clear_bit(cpu, &cpu_initialized); /* was set by cpu_init() */ + clear_node_cpumask(cpu); } int __cpu_disable(void) diff --git a/include/asm-x86_64/numa.h b/include/asm-x86_64/numa.h index 34e434ce3268409b7cc90f5fb1c6c925d051086c..dffe276ca2df49d55044dad35b124373f64e6bf8 100644 --- a/include/asm-x86_64/numa.h +++ b/include/asm-x86_64/numa.h @@ -22,8 +22,15 @@ extern void numa_set_node(int cpu, int node); extern unsigned char apicid_to_node[256]; #ifdef CONFIG_NUMA extern void __init init_cpu_to_node(void); + +static inline void clear_node_cpumask(int cpu) +{ + clear_bit(cpu, &node_to_cpumask[cpu_to_node(cpu)]); +} + #else #define init_cpu_to_node() do {} while (0) +#define clear_node_cpumask(cpu) do {} while (0) #endif #define NUMA_NO_NODE 0xff