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