target/linux/ar7-2.6/files/include/asm-mips/ar7/mmzone.h

   1 /*
   2  * $Id$
   3  *
   4  * Copyright (C) 2007 OpenWrt.org
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21 #ifndef _ASM_MACH_MMZONE_H
  22 #define _ASM_MACH_MMZONE_H
  23
  24 extern pg_data_t __node_data[];
  25 #define NODE_DATA(nid)          (&__node_data[nid])
  26 #define NODE_MEM_MAP(nid)       (NODE_DATA(nid)->node_mem_map)
  27 #define pa_to_nid(addr) (((addr) >= ARCH_PFN_OFFSET << PAGE_SHIFT) ? 0 : -1)
  28
  29 #endif /* _ASM_MACH_MMZONE_H */