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