Contributors: 16
Author Tokens Token Proportion Commits Commit Proportion
Dan J Williams 65 26.75% 5 20.00%
Mike Rapoport 39 16.05% 3 12.00%
Andrea Righi 22 9.05% 1 4.00%
Yury Norov 20 8.23% 2 8.00%
Yasunori Goto 18 7.41% 2 8.00%
Andi Kleen 14 5.76% 1 4.00%
Alison Schofield 13 5.35% 1 4.00%
Dave Hansen 12 4.94% 1 4.00%
Jarkko Sakkinen 11 4.53% 1 4.00%
Andrew Morton 9 3.70% 1 4.00%
Wen Congyang 8 3.29% 2 8.00%
Kent Overstreet 5 2.06% 1 4.00%
Tony Breeds 3 1.23% 1 4.00%
Paul Mackerras 2 0.82% 1 4.00%
Greg Kroah-Hartman 1 0.41% 1 4.00%
Robert Richter 1 0.41% 1 4.00%
Total 243 25


/* 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_nid
int memory_add_physaddr_to_nid(u64 start);
#endif

#ifndef phys_to_target_node
int 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_GROUP
extern const struct attribute_group arch_node_dev_group;
#endif

#endif /* _LINUX_NUMA_H */