diff options
Diffstat (limited to 'tools/include/linux/numa.h')
| -rw-r--r-- | tools/include/linux/numa.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/include/linux/numa.h b/tools/include/linux/numa.h new file mode 100644 index 000000000000..c8b9369335e0 --- /dev/null +++ b/tools/include/linux/numa.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_NUMA_H +#define _LINUX_NUMA_H + + +#ifdef CONFIG_NODES_SHIFT +#define NODES_SHIFT CONFIG_NODES_SHIFT +#else +#define NODES_SHIFT 0 +#endif + +#define MAX_NUMNODES (1 << NODES_SHIFT) + +#define NUMA_NO_NODE (-1) + +static inline bool numa_valid_node(int nid) +{ + return nid >= 0 && nid < MAX_NUMNODES; +} + +#endif /* _LINUX_NUMA_H */ |