numa.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _LINUX_NUMA_H
 3#define _LINUX_NUMA_H
 4
 5
 6#ifdef CONFIG_NODES_SHIFT
 7#define NODES_SHIFT     CONFIG_NODES_SHIFT
 8#else
 9#define NODES_SHIFT     0
10#endif
11
12#define MAX_NUMNODES    (1 << NODES_SHIFT)
13
14#define	NUMA_NO_NODE	(-1)
15
16static inline bool numa_valid_node(int nid)
17{
18	return nid >= 0 && nid < MAX_NUMNODES;
19}
20
21#endif /* _LINUX_NUMA_H */