| /* 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 */ |