diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-x86/topology.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h index 1f97758de4a..98e5f17ea85 100644 --- a/include/asm-x86/topology.h +++ b/include/asm-x86/topology.h @@ -57,7 +57,12 @@ static inline int cpu_to_node(int cpu) } #define early_cpu_to_node(cpu) cpu_to_node(cpu) -/* Returns a bitmask of CPUs on Node 'node'. */ +/* Returns a bitmask of CPUs on Node 'node'. + * + * Side note: this function creates the returned cpumask on the stack + * so with a high NR_CPUS count, excessive stack space is used. The + * node_to_cpumask_ptr function should be used whenever possible. + */ static inline cpumask_t node_to_cpumask(int node) { return node_to_cpumask_map[node]; |