arch/mips/include/asm/mmzone.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
   4  * Rewritten for Linux 2.6 by Christoph Hellwig (hch@lst.de) Jan 2004
   5  */
   6 #ifndef _ASM_MMZONE_H_
   7 #define _ASM_MMZONE_H_
   8
   9 #include <asm/page.h>
  10
  11 #ifdef CONFIG_NEED_MULTIPLE_NODES
  12 # include <mmzone.h>
  13 #endif
  14
  15 #ifndef pa_to_nid
  16 #define pa_to_nid(addr) 0
  17 #endif
  18
  19 #ifndef nid_to_addrbase
  20 #define nid_to_addrbase(nid) 0
  21 #endif
  22
  23 #ifdef CONFIG_DISCONTIGMEM
  24
  25 #define pfn_to_nid(pfn)         pa_to_nid((pfn) << PAGE_SHIFT)
  26
  27 #endif /* CONFIG_DISCONTIGMEM */
  28
  29 #endif /* _ASM_MMZONE_H_ */