tools/include/linux/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
  16 static inline bool numa_valid_node(int nid)
  17 {
  18         return nid >= 0 && nid < MAX_NUMNODES;
  19 }
  20
  21 #endif /* _LINUX_NUMA_H */