IBM messed up AGAIN in their thinkpad: 0xA0000 -> 0x9F000

/*
   * IBM messed up *AGAIN* in their thinkpad: 0xA0000 -> 0x9F000.
   * They seem to have done something stupid with the floppy
   * controller as well..
   */
   while (start_low_mem < 0x9f000) {
       clear_bit(PG_reserved, &mem_map[MAP_NR(start_low_mem)].flags);
       start_low_mem += PAGE_SIZE;
   }
1.3.100

posted @ 2017-12-07 09:56 mull 阅读(138) 评论(0) 编辑收藏举报