查看系统磁盘信息/proc/mtd分区和/proc/partitions全部分区信息

# cat /proc/mtd
dev:    size   erasesize  name
mtd0: 00040000 00040000 "RedBoot"
mtd1: 00200000 00040000 "zImage"
mtd2: 00180000 00040000 "initramfs"
mtd3: 00001000 00040000 "RedBoot config"
mtd4: 00040000 00040000 "FIS directory"
# cat /proc/partitions
major minor  #blocks  name

  31        0        256 mtdblock0
  31        1       2048 mtdblock1
  31        2       1536 mtdblock2
  31        3          4 mtdblock3
  31        4        256 mtdblock4
代码位于drivers/mtd/mtdcore.c　　if ((proc_mtd = create_proc_entry( "mtd", 0, NULL )))　proc_mtd->read_proc = mtd_read_proc;
module_init(init_mtd);

代码位于block/genhd.c　
    proc_create("diskstats", 0, NULL, &proc_diskstats_operations);
    proc_create("partitions", 0, NULL, &proc_partitions_operations);
module_init(proc_genhd_init);