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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_NUMA_H#define _LINUX_NUMA_H#include <linux/init.h>#include <linux/types.h>#include <linux/nodemask.h>
#define NUMA_NO_MEMBLK (-1)
static inline bool numa_valid_node(int nid){ return nid >= 0 && nid < MAX_NUMNODES;}
/* optionally keep NUMA memory info available post init */#ifdef CONFIG_NUMA_KEEP_MEMINFO#define __initdata_or_meminfo#else#define __initdata_or_meminfo __initdata#endif
#ifdef CONFIG_NUMA#include <asm/sparsemem.h>
extern struct pglist_data *node_data[];#define NODE_DATA(nid) (node_data[nid])
void __init alloc_node_data(int nid);void __init alloc_offline_node_data(int nid);
/* Generic implementation available */int numa_nearest_node(int node, unsigned int state);
int nearest_node_nodemask(int node, nodemask_t *mask);
#ifndef memory_add_physaddr_to_nidint memory_add_physaddr_to_nid(u64 start);#endif
#ifndef phys_to_target_nodeint phys_to_target_node(u64 start);#endif
int numa_fill_memblks(u64 start, u64 end);
#else /* !CONFIG_NUMA */static inline int numa_nearest_node(int node, unsigned int state){ return NUMA_NO_NODE;}
static inline int nearest_node_nodemask(int node, nodemask_t *mask){ return NUMA_NO_NODE;}
static inline int memory_add_physaddr_to_nid(u64 start){ return 0;}static inline int phys_to_target_node(u64 start){ return 0;}
static inline void alloc_offline_node_data(int nid) {}#endif
#define numa_map_to_online_node(node) numa_nearest_node(node, N_ONLINE)
#ifdef CONFIG_HAVE_ARCH_NODE_DEV_GROUPextern const struct attribute_group arch_node_dev_group;#endif
#endif /* _LINUX_NUMA_H */