target/linux/ar7/files/include/asm-mips/ar7/mmzone.h

   1 /*
   2  * Copyright (C) 2007 OpenWrt.org
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  17  */
  18
  19 #ifndef _ASM_MACH_MMZONE_H
  20 #define _ASM_MACH_MMZONE_H
  21
  22 extern pg_data_t __node_data[];
  23 #define NODE_DATA(nid)          (&__node_data[nid])
  24 #define NODE_MEM_MAP(nid)       (NODE_DATA(nid)->node_mem_map)
  25 #define pa_to_nid(addr)         (((addr) >= ARCH_PFN_OFFSET << PAGE_SHIFT) ? 0 : -1)
  26
  27 #endif /* _ASM_MACH_MMZONE_H */