LXR linux/arch/sh/include/asm/mmzone.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef __ASM_SH_MMZONE_H
   3#define __ASM_SH_MMZONE_H
   4
   5#ifdef __KERNEL__
   6
   7#ifdef CONFIG_NEED_MULTIPLE_NODES
   8#include <linux/numa.h>
   9
  10extern struct pglist_data *node_data[];
  11#define NODE_DATA(nid)          (node_data[nid])
  12
  13static inline int pfn_to_nid(unsigned long pfn)
  14{
  15        int nid;
  16
  17        for (nid = 0; nid < MAX_NUMNODES; nid++)
  18                if (pfn >= node_start_pfn(nid) && pfn <= node_end_pfn(nid))
  19                        break;
  20
  21        return nid;
  22}
  23
  24static inline struct pglist_data *pfn_to_pgdat(unsigned long pfn)
  25{
  26        return NODE_DATA(pfn_to_nid(pfn));
  27}
  28
  29/* arch/sh/mm/numa.c */
  30void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end);
  31#else
  32static inline void
  33setup_bootmem_node(int nid, unsigned long start, unsigned long end)
  34{
  35}
  36#endif /* CONFIG_NEED_MULTIPLE_NODES */
  37
  38/* Platform specific mem init */
  39void __init plat_mem_setup(void);
  40
  41/* arch/sh/kernel/setup.c */
  42void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
  43                               unsigned long end_pfn);
  44/* arch/sh/mm/init.c */
  45void __init allocate_pgdat(unsigned int nid);
  46
  47#endif /* __KERNEL__ */
  48#endif /* __ASM_SH_MMZONE_H */
  49