root@android:/ # cat /proc/partitions
major minor  #blocks  name

   7        0      30177 loop0
 179        0    3817472 mmcblk0
 179        1         20 mmcblk0p1
 179        2        300 mmcblk0p2
 179        3     133120 mmcblk0p3
 179        4          1 mmcblk0p4
 179        5      12288 mmcblk0p5
 179        6       4096 mmcblk0p6
 179        7       4096 mmcblk0p7
 179        8       3072 mmcblk0p8
 179        9       3072 mmcblk0p9
 179       10       3072 mmcblk0p10
 179       11       4096 mmcblk0p11
 179       12       8192 mmcblk0p12
 179       13      20480 mmcblk0p13
 179       14       4096 mmcblk0p14
 179       15     196608 mmcblk0p15
 179       16      81920 mmcblk0p16
 179       17    1048576 mmcblk0p17
 179       18    1179648 mmcblk0p18
 179       19    1105920 mmcblk0p19
 253        0      49152 zram0
 179       32   30931968 mmcblk1
 179       33   28053504 mmcblk1p1
 179       34    2734535 mmcblk1p2
 179       35     142905 mmcblk1p3
 254        0      30177 dm-0
root@android:/ #