release/src-rt-6.x/linux/linux-2.6/arch/arm/mm/discontig.c

   1 /*
   2  * linux/arch/arm/mm/discontig.c
   3  *
   4  * Discontiguous memory support.
   5  *
   6  * Initial code: Copyright (C) 1999-2000 Nicolas Pitre
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12 #include <linux/module.h>
  13 #include <linux/mmzone.h>
  14 #include <linux/bootmem.h>
  15
  16 #if MAX_NUMNODES != 4 && MAX_NUMNODES != 16
  17 # error Fix Me Please
  18 #endif
  19
  20 /*
  21  * Our node_data structure for discontiguous memory.
  22  */
  23
  24 static bootmem_data_t node_bootmem_data[MAX_NUMNODES];
  25
  26 pg_data_t discontig_node_data[MAX_NUMNODES] = {
  27   { .bdata = &node_bootmem_data[0] },
  28   { .bdata = &node_bootmem_data[1] },
  29   { .bdata = &node_bootmem_data[2] },
  30   { .bdata = &node_bootmem_data[3] },
  31 #if MAX_NUMNODES == 16
  32   { .bdata = &node_bootmem_data[4] },
  33   { .bdata = &node_bootmem_data[5] },
  34   { .bdata = &node_bootmem_data[6] },
  35   { .bdata = &node_bootmem_data[7] },
  36   { .bdata = &node_bootmem_data[8] },
  37   { .bdata = &node_bootmem_data[9] },
  38   { .bdata = &node_bootmem_data[10] },
  39   { .bdata = &node_bootmem_data[11] },
  40   { .bdata = &node_bootmem_data[12] },
  41   { .bdata = &node_bootmem_data[13] },
  42   { .bdata = &node_bootmem_data[14] },
  43   { .bdata = &node_bootmem_data[15] },
  44 #endif
  45 };
  46
  47 EXPORT_SYMBOL(discontig_node_data);