Update to 7.5.4 create new partition???

[Mr.Yes]

hi all,

i don't understand why after performed upgrade from 7.5.3 to 7.5.4 is see my system has new partitions (none and sda3) ... please somebody explain me what happened

also on another server of mine i have exactly the same situation (none, usbdevfs and hda1)

please help me to understand

 

[Mr.Yes]

here is my fd:

Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda5 20793532 1618220 18119040 9% /
/dev/sda3 101107 58586 37300 62% /boot
none 513688 0 513688 0% /dev/shm
/dev/sda6 6079936 2875892 2895196 50% /usr
/dev/sda2 111740288 19592504 86471620 19% /home